// ==UserScript==
// @name         HTML5 Video Player Enhance
// @version      2.9.4
// @description  To enhance the functionality of HTML5 Video Player (h5player) supporting all websites using shortcut keys similar to PotPlayer.
// @author       CY Fung
// @match        http://*/*
// @match        https://*/*
// @run-at       document-start
// @require https://cdnjs.cloudflare.com/ajax/libs/js-sha256/0.9.0/sha256.min.js
// @require https://cdnjs.cloudflare.com/ajax/libs/mathjs/9.3.2/math.js
// @namespace https://greasyfork.org/users/371179
// @grant   GM_getValue
// @grant   GM_setValue
// @grant   unsafeWindow
// @downloadURL none
// ==/UserScript==


/**
 * Remarks
 * This script support modern browser only with ES6+.
 * fullscreen and pointerLock   buggy in shadowRoot
 * Space Pause not success
 * shift F key issue
 **/
(function $$($$uWin) {
    'use strict';

    if (!document || !document.documentElement) return window.requestAnimationFrame($$);

    const $bz={boosted:false}
    //document.nmm=[]

    !(function(window) {


        const $$setTimeout = window.setTimeout
        const $$clearTimeout = window.clearTimeout
        const $$requestAnimationFrame = window.requestAnimationFrame;
        const $$cancelAnimationFrame = window.cancelAnimationFrame;

        const $$bind = Function.prototype.bind
        Function.prototype.bind=function(){
            const bf=$$bind.apply(this,arguments)
            bf.__bind_func__=[...arguments]
        return bf
        }

        window.setTimeout = function() {
            let f = arguments[0]
            let d = arguments[1] || 0;
            let res;
            //if($bz.boosted) document.nmm.push(d)

            if ($bz.boosted && typeof f == 'function' && (arguments.length == 2 || arguments.length == 1)) {
                // f : function  arguments.length = 1 or 2
                // setTimeout(f,d)
                if(d>40){
                    if(!f.__timeout__g__){
                        f.__timeout__g__= function(){
                            queueMicrotask(()=>f.apply(this,arguments))
                        }
                    }
                    res = $$setTimeout.call(window, f.__timeout__g__, d)
                    if (res > 0) res = res << 1;
                    return res;
                }else{
                    //1000/40=25
                    res = $$requestAnimationFrame.call(window, f)
                    if (res > 0) {
                        res = res << 1;
                        res |= 1;
                    }
                }
                return res;
            }
            res = $$setTimeout.apply(this, arguments)
            if (res > 0) res = res << 1;
            return res;
        }

        window.clearTimeout = function() {
            let cid = arguments[0]
            if (cid > 0) {
                let res;
                if (cid & 1) {
                    cid = cid >> 1;
                    res = $$cancelAnimationFrame.call(window, cid);
                } else {
                    arguments[0] = arguments[0] >> 1;
                    res = $$clearTimeout.apply(this, arguments);
                }
                return res;
            } else {
                return $$clearTimeout.apply(this, arguments);
            }
        }

    })(window.unsafeWindow || window);




    let _debug_h5p_logging_ = false;

    try {
        _debug_h5p_logging_ = +window.localStorage.getItem('_h5_player_sLogging_') > 0
    } catch (e) {}



    const SHIFT = 1;
    const CTRL = 2;
    const ALT = 4;
    const TERMINATE = 0x842;
    const _sVersion_ = 1817;
    const str_postMsgData = '__postMsgData__'
    const DOM_ACTIVE_FOUND = 1;
    const DOM_ACTIVE_SRC_LOADED = 2;
    const DOM_ACTIVE_ONCE_PLAYED = 4;
    const DOM_ACTIVE_MOUSE_CLICK = 8;
    const DOM_ACTIVE_MOUSE_IN = 16;
    const DOM_ACTIVE_DELAYED_PAUSED = 32;
    const DOM_ACTIVE_INVALID_PARENT = 2048;

    var console = {};

    console.log = function() {
        window.console.log(...['[h5p]', ...arguments])
    }
    console.error = function() {
        window.console.error(...['[h5p]', ...arguments])
    }

    function makeNoRoot(shadowRoot) {
        const doc = shadowRoot.ownerDocument || document;
        const htmlInShadowRoot = doc.createElement('noroot'); // pseudo element
        const childNodes = [...shadowRoot.childNodes]
        shadowRoot.insertBefore(htmlInShadowRoot, shadowRoot.firstChild)
        for (const childNode of childNodes) htmlInShadowRoot.appendChild(childNode);
        return shadowRoot.querySelector('noroot');
    }

    let _endlessloop = null;
    const isIframe = (window.top !== window.self && window.top && window.self);
    const shadowRoots = [];

    const getRoot = (elm) => elm.getRootNode instanceof Function ? elm.getRootNode() : (elm.ownerDocument || null);

    const isShadowRoot = (elm) => (elm && ('host' in elm)) ? elm.nodeType == 11 && !!elm.host && elm.host.nodeType == 1 : null; //instanceof ShadowRoot


    const domAppender = (d) => d.querySelector('head') || d.querySelector('html') || d.querySelector('noroot') || null;

    const playerConfs = {}

    const hanlderResizeVideo = (entries) => {
        const detected_changes = {};
        for (let entry of entries) {
            const player = entry.target.nodeName == "VIDEO" ? entry.target : entry.target.querySelector("VIDEO[_h5ppid]");
            if (!player) continue;
            const vpid = player.getAttribute('_h5ppid');
            if (!vpid) continue;
            if (vpid in detected_changes) continue;
            detected_changes[vpid] = true;
            const wPlayer = $hs.getPlayerBlockElement(player, true)
            if (!wPlayer) continue;
            const layoutBox = wPlayer.parentNode
            if (!layoutBox) continue;
            const tipsDom = layoutBox.querySelector('[_potTips_]');
            if (!tipsDom) continue;

            $hs.fixNonBoxingVideoTipsPosition(tipsDom, player);
            window.requestAnimationFrame(() => $hs.fixNonBoxingVideoTipsPosition(tipsDom, player))

        }
    };

    const $mb = {


        nightly_isSupportQueueMicrotask: function() {

            if ('_isSupportQueueMicrotask' in $mb) return $mb._isSupportQueueMicrotask;

            $mb._isSupportQueueMicrotask = false;
            $mb.queueMicrotask = window.queueMicrotask;
            if (typeof $mb.queueMicrotask == 'function') {
                $mb._isSupportQueueMicrotask = true;
            }

            return $mb._isSupportQueueMicrotask;

        },

        stable_isSupportAdvancedEventListener: function() {

            if ('_isSupportAdvancedEventListener' in $mb) return $mb._isSupportAdvancedEventListener
            let prop = 0;
            document.createAttribute('z').addEventListener('', null, {
                get passive() {
                    prop++;
                },
                get once() {
                    prop++;
                }
            });
            return ($mb._isSupportAdvancedEventListener = (prop == 2));
        }

    }


    const $ws = {
        requestAnimationFrame,
        cancelAnimationFrame,
        MutationObserver,
        setInterval,
        clearInterval
    }
    //throw Error if your browser is too outdated. (eg ES6 script, no such window object)

    Element.prototype.__matches__ = (Element.prototype.matches || Element.prototype.matchesSelector ||
        Element.prototype.mozMatchesSelector || Element.prototype.msMatchesSelector ||
        Element.prototype.oMatchesSelector || Element.prototype.webkitMatchesSelector ||
        Element.prototype.matches()); // throw Error if not supported


    Element.prototype.__requestPointerLock__ = (Element.prototype.requestPointerLock ||
        Element.prototype.mozRequestPointerLock || Element.prototype.webkitRequestPointerLock || function() {});

    // Ask the browser to release the pointer
    Document.prototype.__exitPointerLock__ = (Document.prototype.exitPointerLock ||
        Document.prototype.mozExitPointerLock || Document.prototype.webkitExitPointerLock || function() {});

    //  built-in hash - https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto/digest
    async function digestMessage(message) {
        return window.sha256(message)
    }

    const dround = (x) => ~~(x + .5);

    const jsonStringify_replacer = function(key, val) {
        if (val && (val instanceof Element || val instanceof Document)) return val.toString();
        return val; // return as is
    };

    const jsonParse = function() {
        try {
            return JSON.parse.apply(this, arguments)
        } catch (e) {}
        return null;
    }
    const jsonStringify = function(obj) {
        try {
            return JSON.stringify.call(this, obj, jsonStringify_replacer)
        } catch (e) {}
        return null;
    }

    function _postMsg() {
        //async is needed. or error handling for postMessage
        const [win, tag, ...data] = arguments;
        if (typeof tag == 'string') {
            let postMsgObj = {
                tag,
                passing: true,
                winOrder: _postMsg.a
            }
            try {
                let k = 'msg-' + (+new Date)
                win.document[str_postMsgData] = win.document[str_postMsgData] || {}
                win.document[str_postMsgData][k] = data; //direct
                postMsgObj.str = k;
                postMsgObj.stype = 1;
            } catch (e) {}
            if (!postMsgObj.stype) {
                postMsgObj.str = jsonStringify({
                    d: data
                })
                if (postMsgObj.str && postMsgObj.str.length) postMsgObj.stype = 2;
            }
            if (!postMsgObj.stype) {
                postMsgObj.str = "" + data;
                postMsgObj.stype = 0;
            }
            win.postMessage(postMsgObj, '*');
        }

    }

    function postMsg() {
        let win = window;
        let a = 0;
        while (win = win.parent) {
            _postMsg.a = ++a;
            _postMsg(win, ...arguments)
            if (win == top) break;
        }
    }


    function crossBrowserTransition(type) {
        if (crossBrowserTransition['_result_' + type]) return crossBrowserTransition['_result_' + type]
        let el = document.createElement("fakeelement");

        const capital = (x) => x[0].toUpperCase() + x.substr(1);
        const capitalType = capital(type);

        const transitions = {
            [type]: `${type}end`,
            [`O${capitalType}`]: `o${capitalType}End`,
            [`Moz${capitalType}`]: `${type}end`,
            [`Webkit${capitalType}`]: `webkit${capitalType}End`,
            [`MS${capitalType}`]: `MS${capitalType}End`
        }

        for (let styleProp in transitions) {
            if (el.style[styleProp] !== undefined) {
                return (crossBrowserTransition['_result_' + type] = transitions[styleProp]);
            }
        }
    }

    function isInOperation(elm) {
        let elmInFocus = elm || document.activeElement;
        if (!elmInFocus) return false;
        let res1 = elmInFocus.__matches__(
            'a[href],link[href],button,input:not([type="hidden"]),select,textarea,iframe,frame,menuitem,[draggable],[contenteditable]'
        );
        return res1;
    }

    const fn_toString = (f, n = 50) => {
        let s = (f + "");
        if (s.length > 2 * n + 5) {
            s = s.substr(0, n) + ' ... ' + s.substr(-n);
        }
        return s
    };

    function consoleLog() {
        if (!_debug_h5p_logging_) return;
        if (isIframe) postMsg('consoleLog', ...arguments);
        else console.log.apply(console, arguments);
    }

    function consoleLogF() {
        if (isIframe) postMsg('consoleLog', ...arguments);
        else console.log.apply(console, arguments);
    }

    class AFLooperArray extends Array {
        constructor() {
            super();
            this.activeLoopsCount = 0;
            this.cid = 0;
            this.loopingFrame = this.loopingFrame.bind(this);
        }

        loopingFrame() {
            if (!this.cid) return; //cancelled
            for (const opt of this) {
                if (opt.isFunctionLooping) opt.qn(opt.fn);
            }
        }

        get isArrayLooping() {
            return this.cid > 0;
        }

        loopStart() {
            this.cid = $ws.setInterval(this.loopingFrame, 300);
        }
        loopStop() {
            if (this.cid) $ws.clearInterval(this.cid);
            this.cid = 0;
        }
        appendLoop(fn) {
            if (typeof fn != 'function' || !this) return;
            const opt = new AFLooperFunc(fn, this);
            super.push(opt);
            return opt;
        }
    }

    class AFLooperFunc {
        constructor(fn, bind) {
            this._looping = false;
            this.fn = fn.bind(this);
            if ($mb.nightly_isSupportQueueMicrotask()) this.qn = $mb.queueMicrotask;
            else this.qn = this.fn; //qn(fn) = qn() = fn()
            this.bind = bind;
        }
        get isFunctionLooping() {
            return this._looping;
        }
        loopingStart() {
            if (this._looping === false) {
                this._looping = true;
                if (++this.bind.activeLoopsCount == 1) this.bind.loopStart();
            }
        }
        loopingStop() {
            if (this._looping === true) {
                this._looping = false;
                if (--this.bind.activeLoopsCount == 0) this.bind.loopStop();
            }
        }
    }

    function decimalEqual(a, b) {
        return Math.round(a * 100000000) == Math.round(b * 100000000)
    }

    function nonZeroNum(a) {
        return a > 0 || a < 0;
    }

    class PlayerConf {

        get scaleFactor() {
            return this.mFactor * this.vFactor;
        }

        cssTransform() {

            const playerConf = this;
            const player = playerConf.domElement;
            if (!player) return;
            const videoScale = playerConf.scaleFactor;

            let {
                x,
                y
            } = playerConf.translate;

            let [_x, _y] = ((playerConf.rotate % 180) == 90) ? [y, x] : [x, y];


            if ((playerConf.rotate % 360) == 270) _x = -_x;
            if ((playerConf.rotate % 360) == 90) _y = -_y;

            var s = [
                playerConf.rotate > 0 ? 'rotate(' + playerConf.rotate + 'deg)' : '',
                !decimalEqual(videoScale, 1.0) ? 'scale(' + videoScale + ')' : '',
                (nonZeroNum(_x) || nonZeroNum(_y)) ? `translate(${_x}px, ${_y}px)` : '',
            ];

            player.style.transform = s.join(' ').trim()

        }

        constructor() {

            this.translate = {
                x: 0,
                y: 0
            };
            this.rotate = 0;
            this.mFactor = 1.0;
            this.vFactor = 1.0;
            this.fps = 30;
            this.filter_key = {};
            this.filter_view_units = {
                'hue-rotate': 'deg',
                'blur': 'px'
            };
            this.filterReset();

        }

        setFilter(prop, f) {

            let oldValue = this.filter_key[prop];
            if (typeof oldValue != 'number') return;
            let newValue = f(oldValue)
            if (oldValue != newValue) {

                newValue = +newValue.toFixed(6); //javascript bug

            }

            this.filter_key[prop] = newValue
            this.filterSetup();

            return newValue;



        }

        filterSetup(options) {

            let ums = GM_getValue("unsharpen_mask")
            if (!ums) ums = ""

            let view = []
            let playerElm = $hs.player();
            if (!playerElm) return;
            for (let view_key in this.filter_key) {
                let filter_value = +((+this.filter_key[view_key] || 0).toFixed(3))
                let addTo = true;
                switch (view_key) {
                    case 'brightness':
                        /* fall through */
                    case 'contrast':
                        /* fall through */
                    case 'saturate':
                        if (decimalEqual(filter_value, 1.0)) addTo = false;
                        break;
                    case 'hue-rotate':
                        /* fall through */
                    case 'blur':
                        if (decimalEqual(filter_value, 0.0)) addTo = false;
                        break;
                }
                let view_unit = this.filter_view_units[view_key] || ''
                if (addTo) view.push(`${view_key}(${filter_value}${view_unit})`)
                this.filter_key[view_key] = Number(+this.filter_key[view_key] || 0)
            }
            if (ums) view.push(`url("#_h5p_${ums}")`);
            if (options && options.grey) view.push('url("#grey1")');
            playerElm.style.filter = view.join(' ').trim(); //performance in firefox is bad
        }

        filterReset() {
            this.filter_key['brightness'] = 1.0
            this.filter_key['contrast'] = 1.0
            this.filter_key['saturate'] = 1.0
            this.filter_key['hue-rotate'] = 0.0
            this.filter_key['blur'] = 0.0
            this.filterSetup()
        }

    }

    const Store = {
        prefix: '_h5_player',
        save: function(k, v) {
            if (!Store.available()) return false;
            if (typeof v != 'string') return false;
            Store.LS.setItem(Store.prefix + k, v)
            let sk = fn_toString(k + "", 30);
            let sv = fn_toString(v + "", 30);
            consoleLog(`localStorage Saved "${sk}" = "${sv}"`)
            return true;

        },
        read: function(k) {
            if (!Store.available()) return false;
            let v = Store.LS.getItem(Store.prefix + k)
            let sk = fn_toString(k + "", 30);
            let sv = fn_toString(v + "", 30);
            consoleLog(`localStorage Read "${sk}" = "${sv}"`);
            return v;

        },
        remove: function(k) {

            if (!Store.available()) return false;
            Store.LS.removeItem(Store.prefix + k)
            let sk = fn_toString(k + "", 30);
            consoleLog(`localStorage Removed "${sk}"`)
            return true;
        },
        clearInvalid: function(sVersion) {
            if (!Store.available()) return false;

            //let sVersion=1814;
            if (+Store.read('_sVersion_') < sVersion) {
                Store._keys()
                    .filter(s => s.indexOf(Store.prefix) === 0)
                    .forEach(key => window.localStorage.removeItem(key))
                Store.save('_sVersion_', sVersion + '')
                return 2;
            }
            return 1;

        },
        available: function() {
            if (Store.LS) return true;
            if (!window) return false;
            const localStorage = window.localStorage;
            if (!localStorage) return false;
            if (typeof localStorage != 'object') return false;
            if (!('getItem' in localStorage)) return false;
            if (!('setItem' in localStorage)) return false;
            Store.LS = localStorage;
            return true;

        },
        _keys: function() {
            return Object.keys(localStorage);
        },
        _setItem: function(key, value) {
            return localStorage.setItem(key, value)
        },
        _getItem: function(key) {
            return localStorage.getItem(key)
        },
        _removeItem: function(key) {
            return localStorage.removeItem(key)
        }

    }

    const domTool = {
        nopx: (x) => +x.replace('px', ''),
        cssWH: function(m, r) {
            if (!r) r = getComputedStyle(m, null);
            let c = (x) => +x.replace('px', '');
            return {
                w: m.offsetWidth || c(r.width),
                h: m.offsetHeight || c(r.height)
            }
        },
        _isActionBox_1: function(vEl, pEl) {

            const vElCSS = domTool.cssWH(vEl);
            let vElCSSw = vElCSS.w;
            let vElCSSh = vElCSS.h;

            let vElx = vEl;
            const res = [];
            //let mLevel = 0;
            if (vEl && pEl && vEl != pEl && pEl.contains(vEl)) {
                while (vElx && vElx != pEl) {
                    vElx = vElx.parentNode;
                    let vElx_css = null;
                    if (isShadowRoot(vElx)) {} else {
                        vElx_css = getComputedStyle(vElx, null);
                        let vElx_wp = domTool.nopx(vElx_css.paddingLeft) + domTool.nopx(vElx_css.paddingRight)
                        vElCSSw += vElx_wp
                        let vElx_hp = domTool.nopx(vElx_css.paddingTop) + domTool.nopx(vElx_css.paddingBottom)
                        vElCSSh += vElx_hp
                    }
                    res.push({
                        //level: ++mLevel,
                        padW: vElCSSw,
                        padH: vElCSSh,
                        elm: vElx,
                        css: vElx_css
                    })

                }
            }

            // in the array, each item is the parent of video player
            //res.vEl_cssWH = vElCSS

            return res;

        },
        _isActionBox: function(vEl, walkRes, pEl_idx) {

            function absDiff(w1, w2, h1, h2) {
                const w = (w1 - w2),
                    h = h1 - h2;
                return [(w > 0 ? w : -w), (h > 0 ? h : -h)]
            }

            function midPoint(rect) {
                return {
                    x: (rect.left + rect.right) / 2,
                    y: (rect.top + rect.bottom) / 2
                }
            }

            const parentCount = walkRes.length;
            if (pEl_idx >= 0 && pEl_idx < parentCount) {} else {
                return;
            }
            const pElr = walkRes[pEl_idx]
            if (!pElr.css) {
                //shadowRoot
                return true;
            }

            const pEl = pElr.elm;

            //prevent activeElement==body
            const pElCSS = domTool.cssWH(pEl, pElr.css);

            //check prediction of parent dimension
            const d1v = absDiff(pElCSS.w, pElr.padW, pElCSS.h, pElr.padH)

            const d1x = d1v[0] < 10
            const d1y = d1v[1] < 10;

            if (d1x && d1y) return true; //both edge along the container   -  fit size
            if (!d1x && !d1y) return false; //no edge along the container     -  body contain the video element, fixed width&height

            //case: youtube video fullscreen

            //check centre point

            const pEl_rect = pEl.getBoundingClientRect()
            const vEl_rect = vEl.getBoundingClientRect()

            const pEl_center = midPoint(pEl_rect)
            const vEl_center = midPoint(vEl_rect)

            const d2v = absDiff(pEl_center.x, vEl_center.x, pEl_center.y, vEl_center.y);

            const d2x = d2v[0] < 10;
            const d2y = d2v[1] < 10;

            return (d2x && d2y);

        },
        getRect: function(element) {
            let rect = element.getBoundingClientRect();
            let scroll = domTool.getScroll();
            return {
                pageX: rect.left + scroll.left,
                pageY: rect.top + scroll.top,
                screenX: rect.left,
                screenY: rect.top
            };
        },
        getScroll: function() {
            return {
                left: document.documentElement.scrollLeft || document.body.scrollLeft,
                top: document.documentElement.scrollTop || document.body.scrollTop
            };
        },
        getClient: function() {
            return {
                width: document.compatMode == 'CSS1Compat' ? document.documentElement.clientWidth : document.body.clientWidth,
                height: document.compatMode == 'CSS1Compat' ? document.documentElement.clientHeight : document.body.clientHeight
            };
        },
        addStyle: //GM_addStyle,
            function(css, head) {
                if (!head) {
                    let _doc = document.documentElement;
                    head = domAppender(_doc);
                }
                let doc = head.ownerDocument;
                let style = doc.createElement('style');
                style.type = 'text/css';
                style.textContent = css;
                head.appendChild(style);
                //console.log(document.head,style,'add style')
                return style;
            },
        eachParentNode: function(dom, fn) {
            let parent = dom.parentNode
            while (parent) {
                let isEnd = fn(parent, dom)
                parent = parent.parentNode
                if (isEnd) {
                    break
                }
            }
        },

        hideDom: function hideDom(selector) {
            let dom = document.querySelector(selector)
            if (dom) {
                $ws.requestAnimationFrame(function() {
                    dom.style.opacity = 0;
                    dom.style.transform = 'translate(-9999px)';
                    dom = null;
                })
            }
        }
    };

    const handle = {


        afPlaybackRecording: async function() {
            const opts = this;

            let qTime = +new Date;
            if (qTime >= opts.pTime) {
                opts.pTime = qTime + opts.timeDelta; //prediction of next Interval
                opts.savePlaybackProgress()
            }

        },
        savePlaybackProgress: function() {

            //this refer to endless's opts
            let player = this.player;

            let _uid = this.player_uid; //_h5p_uid_encrypted
            if (!_uid) return;

            let shallSave = true;
            let currentTimeToSave = ~~player.currentTime;

            if (this._lastSave == currentTimeToSave) shallSave = false;

            if (shallSave) {

                this._lastSave = currentTimeToSave

                //console.log('aasas',this.player_uid, shallSave, '_play_progress_'+_uid, currentTimeToSave)

                Store.save('_play_progress_' + _uid, jsonStringify({
                    't': currentTimeToSave
                }))

            }
            //console.log('playback logged')

        },
        playingWithRecording: function() {
            let player = this.player;
            if (!player.paused && !this.isFunctionLooping) {
                let player = this.player;
                let _uid = player.getAttribute('_h5p_uid_encrypted') || ''
                if (_uid) {
                    this.player_uid = _uid;
                    this.pTime = 0;
                    this.loopingStart();
                }
            }
        }

    };

    class Momentary extends Map {
        act(uniqueId, fn_start, fn_end, delay) {
            if (!uniqueId) return;
            uniqueId = uniqueId + "";
            const last_cid = this.get(uniqueId);
            if (last_cid > 0) clearTimeout(last_cid);
            fn_start();
            const new_cid = setTimeout(fn_end, delay)
            this.set(uniqueId, new_cid)
        }
    }

    const momentary = new Momentary();

    const $hs = {

        /* 提示文本的字號 */
        fontSize: 16,
        enable: true,
        playerInstance: null,
        playbackRate: 1,
        /* 快進快退步長 */
        skipStep: 5,

        /* 獲取當前播放器的實例 */
        player: function() {
            let res = $hs.playerInstance || null;
            if (res && res.parentNode == null) {
                $hs.playerInstance = null;
                res = null;
            }

            if (res == null) {
                for (let k in playerConfs) {
                    let playerConf = playerConfs[k];
                    if (playerConf && playerConf.domElement && playerConf.domElement.parentNode) return playerConf.domElement;
                }
            }
            return res;
        },

        pictureInPicture: function(videoElm) {
            if (document.pictureInPictureElement) {
                document.exitPictureInPicture();
            } else if ('requestPictureInPicture' in videoElm) {
                videoElm.requestPictureInPicture()
            } else {
                $hs.tips('PIP is not supported.');
            }
        },

        getPlayerConf: function(video) {

            if (!video) return null;
            let vpid = video.getAttribute('_h5ppid') || null;
            if (!vpid) return null;
            return playerConfs[vpid] || null;

        },

        handlerVideoPlaying: function(evt) {
            const videoElm = evt.target || this || null;

            if (!videoElm || videoElm.nodeName != "VIDEO") return;

            const vpid = videoElm.getAttribute('_h5ppid')

            if (!vpid) return;
            if ($hs.cid_playHook > 0) clearTimeout($hs.cid_playHook);
            $hs.cid_playHook = setTimeout(function() {
                let onlyPlayed = null;
                for (var k in playerConfs) {
                    if (k == vpid) {
                        if (playerConfs[k].domElement.paused === false) onlyPlayed = true;
                    } else if (playerConfs[k].domElement.paused === false) {
                        onlyPlayed = false;
                        break;
                    }
                }
                if (onlyPlayed === true) {
                    $hs.focusHookVDoc = getRoot(videoElm)
                    $hs.focusHookVId = vpid
                }
                $bv.boostVideoPerformanceActivate();
            }, 100)

            const playerConf = $hs.getPlayerConf(videoElm)

            $hs._actionBoxObtain(videoElm);
            if (playerConf) {
                if (playerConf.timeout_pause > 0) playerConf.timeout_pause = clearTimeout(playerConf.timeout_pause);
                playerConf.lastPauseAt = 0
                playerConf.domActive |= DOM_ACTIVE_ONCE_PLAYED;
                playerConf.domActive &= ~DOM_ACTIVE_DELAYED_PAUSED;
            }

            $hs.swtichPlayerInstance();



            $hs.onVideoTriggering();

            if (!$hs.enable) return $hs.tips(false);

            if (videoElm._isThisPausedBefore_) consoleLog('resumed')
            let _pausedbefore_ = videoElm._isThisPausedBefore_

            if (videoElm.playpause_cid) {
                clearTimeout(videoElm.playpause_cid);
                videoElm.playpause_cid = 0;
            }
            let _last_paused = videoElm._last_paused
            videoElm._last_paused = videoElm.paused
            if (_last_paused === !videoElm.paused) {
                videoElm.playpause_cid = setTimeout(() => {
                    if (videoElm.paused === !_last_paused && !videoElm.paused && _pausedbefore_) {
                        $hs.tips('Playback resumed', undefined, 2500)
                    }
                }, 90)
            }

            /* 播放的時候進行相關同步操作 */

            if (!videoElm._record_continuous) {

                /* 同步之前設定的播放速度 */
                $hs.setPlaybackRate()

                if (!_endlessloop) _endlessloop = new AFLooperArray();

                videoElm._record_continuous = _endlessloop.appendLoop(handle.afPlaybackRecording);
                videoElm._record_continuous._lastSave = -999;

                videoElm._record_continuous.timeDelta = 2000;
                videoElm._record_continuous.player = videoElm
                videoElm._record_continuous.savePlaybackProgress = handle.savePlaybackProgress;
                videoElm._record_continuous.playingWithRecording = handle.playingWithRecording;
            }

            videoElm._record_continuous.playingWithRecording(videoElm); //try to start recording

            videoElm._isThisPausedBefore_ = false;

        },
        handlerVideoPause: function(evt) {

            const videoElm = evt.target || this || null;

            if (!videoElm || videoElm.nodeName != "VIDEO") return;

            const vpid = videoElm.getAttribute('_h5ppid')

            if (!vpid) return;
            if ($hs.cid_playHook > 0) clearTimeout($hs.cid_playHook);
            $hs.cid_playHook = setTimeout(function() {
                let allPaused = true;
                for (var k in playerConfs) {
                    if (playerConfs[k].domElement.paused === false) {
                        allPaused = false;
                        break;
                    }
                }
                if (allPaused) {
                    $hs.focusHookVDoc = getRoot(videoElm)
                    $hs.focusHookVId = vpid
                }
                $bv.boostVideoPerformanceDeactivate();
            }, 100)



            const playerConf = $hs.getPlayerConf(videoElm)
            if (playerConf) {
                playerConf.lastPauseAt = +new Date;
                playerConf.timeout_pause = setTimeout(() => {
                    if (playerConf.lastPauseAt > 0) playerConf.domActive |= DOM_ACTIVE_DELAYED_PAUSED;
                }, 600)
            }

            if (!$hs.enable) return $hs.tips(false);
            consoleLog('pause')
            videoElm._isThisPausedBefore_ = true;

            let _last_paused = videoElm._last_paused
            videoElm._last_paused = videoElm.paused
            if (videoElm.playpause_cid) {
                clearTimeout(videoElm.playpause_cid);
                videoElm.playpause_cid = 0;
            }
            if (_last_paused === !videoElm.paused) {
                videoElm.playpause_cid = setTimeout(() => {
                    if (videoElm.paused === !_last_paused && videoElm.paused) {
                        $hs._tips(videoElm, 'Playback paused', undefined, 2500)
                    }
                }, 90)
            }


            if (videoElm._record_continuous && videoElm._record_continuous.isFunctionLooping) {
                setTimeout(function() {
                    if (videoElm.paused === true && !videoElm._record_continuous.isFunctionLooping)
                        videoElm._record_continuous.savePlaybackProgress(); //savePlaybackProgress once before stopping  //handle.savePlaybackProgress;
                }, 380)
                videoElm._record_continuous.loopingStop();
            }


        },
        handlerVideoVolumeChange: function(evt) {

            const videoElm = evt.target || this || null;

            if (videoElm.volume >= 0) {} else {
                return;
            }
            let cVol = videoElm.volume;
            let cMuted = videoElm.muted;

            if (cVol === videoElm._volume_p && cMuted === videoElm._muted_p) {
                // nothing changed
            } else if (cVol === videoElm._volume_p && cMuted !== videoElm._muted_p) {
                // muted changed
            } else { // cVol != pVol

                // only volume changed

                let shallShowTips = videoElm._volume >= 0; //prevent initialization

                if (!cVol) {
                    videoElm.muted = true;
                } else if (cMuted) {
                    videoElm.muted = false;
                    videoElm._volume = cVol;
                } else if (!cMuted) {
                    videoElm._volume = cVol;
                }
                consoleLog('volume changed')

                if (shallShowTips)
                    $hs._tips(videoElm, 'Volume: ' + dround(videoElm.volume * 100) + '%', undefined, 3000)

            }

            videoElm._volume_p = cVol
            videoElm._muted_p = cMuted

        },
        handlerVideoLoadedMetaData: function(evt) {
            const videoElm = evt.target || this || null;

            if (!videoElm || videoElm.nodeName != "VIDEO") return;

            consoleLog('video size', videoElm.videoWidth + ' x ' + videoElm.videoHeight);

            let vpid = videoElm.getAttribute('_h5ppid') || null;
            if (!vpid || !videoElm.currentSrc) return;

            if ($hs.varSrcList[vpid] != videoElm.currentSrc) {
                $hs.varSrcList[vpid] = videoElm.currentSrc;
                $hs.videoSrcFound(videoElm);
                $hs._actionBoxObtain(videoElm);
            }
            if (!videoElm._onceVideoLoaded) {
                videoElm._onceVideoLoaded = true;
                playerConfs[vpid].domActive |= DOM_ACTIVE_SRC_LOADED;
            }

        },
        handlerElementMouseEnter: function(evt) {
            if ($hs.intVideoInitCount > 0) {} else {
                return;
            }
            const actionBoxRelation = $hs.getActionBoxRelationFromDOM(evt.target);
            if (!actionBoxRelation) return;
            const actionBox = actionBoxRelation.actionBox
            if (!actionBox) return;
            const vpid = actionBox.getAttribute('_h5p_actionbox_');
            const videoElm = actionBoxRelation.player;
            if (!videoElm) return;

            $hs._actionBoxObtain(videoElm);

            const playerConf = $hs.getPlayerConf(videoElm)
            if (playerConf) {
                momentary.act("actionBoxMouseEnter",
                    () => {
                        playerConf.domActive |= DOM_ACTIVE_MOUSE_IN;
                    },
                    () => {
                        playerConf.domActive &= ~DOM_ACTIVE_MOUSE_IN;
                    },
                    300)
            }

        },
        handlerElementMouseDown: function(evt) {

            function notAtVideo() {
                if ($hs.focusHookVDoc) $hs.focusHookVDoc = null
                if ($hs.focusHookVId) $hs.focusHookVId = ''
            }

            if ($hs.intVideoInitCount > 0) {} else {
                return notAtVideo();
            }

            const actionBoxRelation = $hs.getActionBoxRelationFromDOM(evt.target);
            if (!actionBoxRelation) return notAtVideo();
            const actionBox = actionBoxRelation.actionBox
            if (!actionBox) return notAtVideo();
            const vpid = actionBox.getAttribute('_h5p_actionbox_');
            const videoElm = actionBoxRelation.player;
            if (!videoElm) return notAtVideo();

            if (vpid) {
                $hs.focusHookVDoc = getRoot(videoElm)
                $hs.focusHookVId = vpid
            }



            $hs._actionBoxObtain(videoElm);

            const playerConf = $hs.getPlayerConf(videoElm)
            if (playerConf) {
                momentary.act("actionBoxClicking",
                    () => {
                        playerConf.domActive |= DOM_ACTIVE_MOUSE_CLICK;
                    },
                    () => {
                        playerConf.domActive &= ~DOM_ACTIVE_MOUSE_CLICK;
                    },
                    300)
            }
            $hs.swtichPlayerInstance();

        },
        handlerElementWheelTuneVolume: function(evt) { //shift + wheel

            if ($hs.intVideoInitCount > 0) {} else {
                return;
            }

            const actionBoxRelation = $hs.getActionBoxRelationFromDOM(evt.target);
            if (!actionBoxRelation) return;
            const actionBox = actionBoxRelation.actionBox
            if (!actionBox) return;
            const vpid = actionBox.getAttribute('_h5p_actionbox_');
            const videoElm = actionBoxRelation.player;
            if (!videoElm) return;

            $hs._actionBoxObtain(videoElm);

            if (!evt.shiftKey) return;
            if (evt.deltaY) {
                let player = $hs.player();
                if (!player || player != videoElm) return;

                if (evt.deltaY > 0) {

                    if ((player.muted && player.volume === 0) && player._volume > 0) {

                        player.muted = false;
                        player.volume = player._volume;
                    } else if (player.muted && (player.volume > 0 || !player._volume)) {
                        player.muted = false;
                    }
                    $hs.tuneVolume(-0.05)

                    evt.stopPropagation()
                    evt.preventDefault()
                    return false

                } else if (evt.deltaY < 0) {

                    if ((player.muted && player.volume === 0) && player._volume > 0) {
                        player.muted = false;
                        player.volume = player._volume;
                    } else if (player.muted && (player.volume > 0 || !player._volume)) {
                        player.muted = false;
                    }
                    $hs.tuneVolume(+0.05)

                    evt.stopPropagation()
                    evt.preventDefault()
                    return false

                }
            }
        },
        debug01: function(evt, videoActive) {

            if (!$hs.eventHooks) {
                document.__h5p_eventhooks = ($hs.eventHooks = {
                    _debug_: []
                });
            }
            $hs.eventHooks._debug_.push([videoActive, evt.type]);
            // console.log('h5p eventhooks = document.__h5p_eventhooks')
        },

        swtichPlayerInstance: function() {

            let newPlayerInstance = null;
            const ONLY_PLAYING_NONE = 0x4A00;
            const ONLY_PLAYING_MORE_THAN_ONE = 0x5A00;
            let onlyPlayingInstance = ONLY_PLAYING_NONE;
            for (let k in playerConfs) {
                let playerConf = playerConfs[k] || {};
                let {
                    domElement,
                    domActive
                } = playerConf;
                if (domElement) {
                    if (domActive & DOM_ACTIVE_INVALID_PARENT) continue;
                    if (!domElement.parentNode) {
                        playerConf.domActive |= DOM_ACTIVE_INVALID_PARENT;
                        continue;
                    }
                    if (domActive & DOM_ACTIVE_MOUSE_CLICK) {
                        newPlayerInstance = domElement
                        break;
                    }
                    if (domActive & DOM_ACTIVE_ONCE_PLAYED && (domActive & DOM_ACTIVE_DELAYED_PAUSED) == 0) {
                        if (onlyPlayingInstance == ONLY_PLAYING_NONE) onlyPlayingInstance = domElement;
                        else onlyPlayingInstance = ONLY_PLAYING_MORE_THAN_ONE;
                    }
                }
            }
            if (newPlayerInstance == null && onlyPlayingInstance.nodeType == 1) {
                newPlayerInstance = onlyPlayingInstance;
            }

            $hs.playerInstance = newPlayerInstance


        },
        handlerElementDblClick: function(evt) {

            if ($hs.intVideoInitCount > 0) {} else {
                return;
            }

            if (document.readyState != "complete") return;

            const actionBoxRelation = $hs.getActionBoxRelationFromDOM(evt.target);
            if (!actionBoxRelation) return;
            const actionBox = actionBoxRelation.actionBox
            if (!actionBox) return;
            const vpid = actionBox.getAttribute('_h5p_actionbox_');
            const videoElm = actionBoxRelation.player;
            if (!videoElm) return;

            $hs._actionBoxObtain(videoElm);

            const playerConf = $hs.getPlayerConf(videoElm)
            if (playerConf) {
                momentary.act("actionBoxClicking",
                    () => {
                        playerConf.domActive |= DOM_ACTIVE_MOUSE_CLICK;
                    },
                    () => {
                        playerConf.domActive &= ~DOM_ACTIVE_MOUSE_CLICK;
                    },
                    600)
            }
            $hs.swtichPlayerInstance()

            $hs.onVideoTriggering()

            $hs.callFullScreenBtn();

            evt.stopPropagation()
            evt.preventDefault()
            return false

        },
        handlerDocFocusOut: function(e) {
            let doc = this;
            $hs.focusFxLock = true;
            $ws.requestAnimationFrame(function() {
                $hs.focusFxLock = false;
                if (!$hs.enable) $hs.tips(false);
                else
                if (!doc.hasFocus() && $hs.player() && !$hs.isLostFocus) {
                    $hs.isLostFocus = true;
                    consoleLog('doc.focusout')
                    //$hs.tips('focus is lost', -1);
                }
            });
        },
        handlerDocFocusIn: function(e) {
            let doc = this;
            if ($hs.focusFxLock) return;
            $ws.requestAnimationFrame(function() {

                if ($hs.focusFxLock) return;
                if (!$hs.enable) $hs.tips(false);
                else
                if (doc.hasFocus() && $hs.player() && $hs.isLostFocus) {
                    $hs.isLostFocus = false;
                    consoleLog('doc.focusin')
                    $hs.tips(false);

                }
            });
        },

        handlerWinMessage: async function(e) {
            let tag, ed;
            if (typeof e.data == 'object' && typeof e.data.tag == 'string') {
                tag = e.data.tag;
                ed = e.data
            } else {
                return;
            }
            let msg = null,
                success = 0;
            let msg_str, msg_stype,p
            switch (tag) {
                case 'consoleLog':
                    msg_str = ed.str;
                    msg_stype = ed.stype;
                    if (msg_stype === 1) {
                        msg = (document[str_postMsgData] || {})[msg_str] || [];
                        success = 1;
                    } else if (msg_stype === 2) {
                        msg = jsonParse(msg_str);
                        if (msg && msg.d) {
                            success = 2;
                            msg = msg.d;
                        }
                    } else {
                        msg = msg_str
                    }
                    p = (ed.passing && ed.winOrder) ? [' | from win-' + ed.winOrder] : [];
                    if (success) {
                        console.log(...msg, ...p)
                        //document[ed.data]=null;   // also delete the information
                    } else {
                        console.log('msg--', msg, ...p, ed);
                    }
                    break;

            }
        },

        isInActiveMode: function(activeElm, player) {

            console.log('check active mode', activeElm, player)
            if (activeElm == player) {
                return true;
            }

            for (let vpid in $hs.actionBoxRelations) {
                const actionBox = $hs.actionBoxRelations[vpid].actionBox
                if (actionBox && actionBox.parentNode) {
                    if (activeElm == actionBox || actionBox.contains(activeElm)) {
                        return true;
                    }
                }
            }

            let _checkingPass = false;

            if (!player) return;
            let layoutBox = $hs.getPlayerBlockElement(player).parentNode;
            if (layoutBox && layoutBox.parentNode && layoutBox.contains(activeElm)) {
                let rpid = player.getAttribute('_h5ppid') || "NULL";
                let actionBox = layoutBox.parentNode.querySelector(`[_h5p_actionbox_="${rpid}"]`); //the box can be layoutBox
                if (actionBox && actionBox.contains(activeElm)) _checkingPass = true;
            }

            return _checkingPass
        },


        toolCheckFullScreen: function(doc) {
            if (typeof doc.fullScreen == 'boolean') return doc.fullScreen;
            if (typeof doc.webkitIsFullScreen == 'boolean') return doc.webkitIsFullScreen;
            if (typeof doc.mozFullScreen == 'boolean') return doc.mozFullScreen;
            return null;
        },

        toolFormatCT: function(u) {

            let w = Math.round(u, 0)
            let a = w % 60
            w = (w - a) / 60
            let b = w % 60
            w = (w - b) / 60
            let str = ("0" + b).substr(-2) + ":" + ("0" + a).substr(-2);
            if (w) str = w + ":" + str

            return str

        },

        makeFocus: function(player, evt) {
            setTimeout(function() {
                let rpid = player.getAttribute('_h5ppid');
                let actionBox = getRoot(player).querySelector(`[_h5p_actionbox_="${rpid}"]`);

                //console.log('p',rpid, player,actionBox,document.activeElement)
                if (actionBox && actionBox != document.activeElement && !actionBox.contains(document.activeElement)) {
                    consoleLog('make focus on', actionBox)
                    actionBox.focus();

                }

            }, 300)
        },

        loopOutwards: function(startPoint, maxStep) {


            let c = 0,
                p = startPoint,
                q = null;
            while (p && (++c <= maxStep)) {
                if (p.querySelectorAll('video').length !== 1) {
                    return q;
                    break;
                }
                q = p;
                p = p.parentNode;
            }

            return p || q || null;

        },

        getActionBlockElement: function(player, layoutBox) {

            //player,  $hs.getPlayerBlockElement(player).parentNode;
            //player, player.parentNode .... player.parentNode.parentNode.parentNode

            //layoutBox: a container element containing video and with innerHeight>=player.innerHeight [skipped wrapping]
            //layoutBox parentSize > layoutBox Size

            //actionBox: a container with video and controls
            //can be outside layoutbox (bilibili)
            //assume maximum 3 layers


            let outerLayout = $hs.loopOutwards(layoutBox, 3); //i.e.   layoutBox.parent.parent.parent

            const allFullScreenBtns = $hs.queryFullscreenBtnsIndependant(outerLayout)
            let actionBox = null;

            //    console.log('fa0a', allFullScreenBtns.length, layoutBox)
            if (allFullScreenBtns.length > 0) {
                //   console.log('faa', allFullScreenBtns.length)

                for (const possibleFullScreenBtn of allFullScreenBtns) possibleFullScreenBtn.setAttribute('__h5p_fsb__', '');
                let pElm = player.parentNode;
                let fullscreenBtns = null;
                while (pElm && pElm.parentNode) {
                    fullscreenBtns = pElm.querySelectorAll('[__h5p_fsb__]');
                    if (fullscreenBtns.length > 0) {
                        break;
                    }
                    pElm = pElm.parentNode;
                }
                for (const possibleFullScreenBtn of allFullScreenBtns) possibleFullScreenBtn.removeAttribute('__h5p_fsb__');
                if (fullscreenBtns && fullscreenBtns.length > 0) {
                    actionBox = pElm;
                    fullscreenBtns = $hs.exclusiveElements(fullscreenBtns);
                    return {
                        actionBox,
                        fullscreenBtns
                    };
                }
            }

            let walkRes = domTool._isActionBox_1(player, layoutBox);
            //walkRes.elm = player... player.parentNode.parentNode (i.e. wPlayer)
            let parentCount = walkRes.length;

            if (parentCount - 1 >= 0 && domTool._isActionBox(player, walkRes, parentCount - 1)) {
                actionBox = walkRes[parentCount - 1].elm;
            } else if (parentCount - 2 >= 0 && domTool._isActionBox(player, walkRes, parentCount - 2)) {
                actionBox = walkRes[parentCount - 2].elm;
            } else {
                actionBox = player;
            }

            return {
                actionBox,
                fullscreenBtns: []
            };




        },

        actionBoxRelations: {},

        actionBoxRelationClearNodes: function(param) {

            if (!param) return;
            let refNode = null;
            let domNodes = null;

            if (param.nodeType > 0) {
                refNode = param;
                const rootNode = getRoot(refNode);
                domNodes = rootNode ? rootNode.querySelectorAll(`[_h5p_mo_="${vpid}"]`) : [];
                if (refNode) refNode.removeAttribute('_h5p_mo_');
            } else {
                const actionBoxRelation = param;
                domNodes = actionBoxRelation.domNodes;
            }

            if (domNodes) {
                for (const domNode of domNodes) domNode.removeAttribute('_h5p_mo_')
                domNodes.length = 0;
            }


        },

        actionBoxMutationCallback: function(mutations, observer) {
            for (const mutation of mutations) {
                let pElm = mutation.target;
                let vpid = null;
                if (pElm && pElm.nodeType > 0 && (vpid = pElm.getAttribute('_h5p_mo_'))) {
                    const actionBoxRelation = $hs.actionBoxRelations[vpid]
                    if (actionBoxRelation) {
                        actionBoxRelation.mutationCount++;
                    } else {
                        $hs.actionBoxRelationClearNodes(pElm);
                    }
                }
            }
        },


        getActionBoxRelationFromDOM: function(elm) {

            //assume action boxes are mutually exclusive

            for (let vpid in $hs.actionBoxRelations) {
                const actionBoxRelation = $hs.actionBoxRelations[vpid];
                const actionBox = actionBoxRelation.actionBox
                //console.log('ab', actionBox)
                if (actionBox && actionBox.parentNode) {
                    if (elm == actionBox || actionBox.contains(elm)) {
                        return actionBoxRelation;
                    }
                }
            }


            return null;

        },



        _actionBoxObtain: function(player) {

            if (!player) return null;
            let vpid = player.getAttribute('_h5ppid');
            if (!vpid) return null;
            if (!player.parentNode) return null;

            let actionBoxRelation = $hs.actionBoxRelations[vpid],
                layoutBox = null,
                actionBox = null,
                boxSearchResult = null,
                fullscreenBtns = null,
                wPlayer = null;

            function a() {
                wPlayer = $hs.getPlayerBlockElement(player);
                layoutBox = wPlayer.parentNode;
                boxSearchResult = $hs.getActionBlockElement(player, layoutBox);
                console.log('box search', boxSearchResult)
                actionBox = boxSearchResult.actionBox
                fullscreenBtns = boxSearchResult.fullscreenBtns
            }

            function b(domNodes) {
                $hs.actionBoxRelations[vpid] = {
                    player: player,
                    wPlayer: wPlayer,
                    layoutBox: layoutBox,
                    actionBox: actionBox,
                    mutationCount: 0,
                    domNodes: domNodes,
                    fullscreenBtns: fullscreenBtns
                }
                for (const domNode of domNodes) {
                    domNode.setAttribute('_h5p_mo_', vpid);
                    $hs.actionBoxMutationObserver.observe(domNode, {
                        childList: true
                    });
                }
            }

            if (actionBoxRelation) {
                if (actionBoxRelation.actionBox && actionBoxRelation.actionBox.parentNode && actionBoxRelation.layoutBox && actionBoxRelation.layoutBox.parentNode) {
                    if (actionBoxRelation.mutationCount === 0) return actionBoxRelation.actionBox
                    a();
                    if (actionBox == actionBoxRelation.actionBox && layoutBox == actionBoxRelation.layoutBox && wPlayer == actionBoxRelation.wPlayer) {
                        actionBoxRelation.mutationCount = 0;
                        actionBoxRelation.fullscreenBtns = fullscreenBtns;
                        return actionBox
                    }
                }
                $hs.actionBoxRelationClearNodes(actionBoxRelation);
                for (var k in actionBoxRelation) delete actionBoxRelation[k]
                actionBoxRelation = null;
                delete $hs.actionBoxRelations[vpid]
            }

            if (boxSearchResult == null) a();
            if (actionBox) {
                actionBox.setAttribute('_h5p_actionbox_', vpid);
                if (!$hs.actionBoxMutationObserver) $hs.actionBoxMutationObserver = new MutationObserver($hs.actionBoxMutationCallback);
                const domNodes = [];
                let pElm = player;
                let containing = 0;
                while (pElm) {
                    domNodes.push(pElm);
                    if (pElm === actionBox) containing |= 1;
                    if (pElm === layoutBox) containing |= 2;
                    if (containing === 3) {
                        b(domNodes);
                        return actionBox
                    }
                    pElm = pElm.parentNode;
                }
            }

            return null;


            // if (!actionBox.hasAttribute('tabindex')) actionBox.setAttribute('tabindex', '-1');




        },

        videoSrcFound: function(player) {

            // src loaded

            if (!player) return;
            let vpid = player.getAttribute('_h5ppid') || null;
            if (!vpid || !player.currentSrc) return;

            player._isThisPausedBefore_ = false;

            player.removeAttribute('_h5p_uid_encrypted');

            if (player._record_continuous) player._record_continuous._lastSave = -999; //first time must save

            let uid_A = location.pathname.replace(/[^\d+]/g, '') + '.' + location.search.replace(/[^\d+]/g, '');
            let _uid = location.hostname.replace('www.', '').toLowerCase() + '!' + location.pathname.toLowerCase() + 'A' + uid_A + 'W' + player.videoWidth + 'H' + player.videoHeight + 'L' + (player.duration << 0);

            digestMessage(_uid).then(function(_uid_encrypted) {

                let d = +new Date;

                let recordedTime = null;

                ;
                (function() {
                    //read the last record only;

                    let k1 = '_h5_player_play_progress_';
                    let k1n = '_play_progress_';
                    let k2 = _uid_encrypted;
                    let k3 = k1 + k2;
                    let k3n = k1n + k2;
                    let m2 = Store._keys().filter(key => key.substr(0, k3.length) == k3); //all progress records for this video
                    let m2v = m2.map(keyName => +(keyName.split('+')[1] || '0'))
                    let m2vMax = Math.max(0, ...m2v)
                    if (!m2vMax) recordedTime = null;
                    else {
                        let _json_recordedTime = null;
                        _json_recordedTime = Store.read(k3n + '+' + m2vMax);
                        if (!_json_recordedTime) _json_recordedTime = {};
                        else _json_recordedTime = jsonParse(_json_recordedTime);
                        if (typeof _json_recordedTime == 'object') recordedTime = _json_recordedTime;
                        else recordedTime = null;
                        recordedTime = typeof recordedTime == 'object' ? recordedTime.t : recordedTime;
                        if (typeof recordedTime == 'number' && (+recordedTime >= 0 || +recordedTime <= 0)) {

                        } else if (typeof recordedTime == 'string' && recordedTime.length > 0 && (+recordedTime >= 0 || +recordedTime <= 0)) {
                            recordedTime = +recordedTime
                        } else {
                            recordedTime = null
                        }
                    }
                    if (recordedTime !== null) {
                        player._h5player_lastrecord_ = recordedTime;
                    } else {
                        player._h5player_lastrecord_ = null;
                    }
                    if (player._h5player_lastrecord_ > 5) {
                        consoleLog('last record playing', player._h5player_lastrecord_);
                        setTimeout(function() {
                            $hs._tips(player, `Press Shift-R to restore Last Playback: ${$hs.toolFormatCT(player._h5player_lastrecord_)}`, 5000, 4000)
                        }, 1000)
                    }

                })();
                // delay the recording by 5.4s => prevent ads or mis operation
                setTimeout(function() {

                    let k1 = '_h5_player_play_progress_';
                    let k1n = '_play_progress_';
                    let k2 = _uid_encrypted;
                    let k3 = k1 + k2;
                    let k3n = k1n + k2;

                    //re-read all the localStorage keys
                    let m1 = Store._keys().filter(key => key.substr(0, k1.length) == k1); //all progress records in this site
                    let p = m1.length + 1;

                    for (const key of m1) { //all progress records for this video
                        if (key.substr(0, k3.length) == k3) {
                            Store._removeItem(key); //remove previous record for the current video
                            p--;
                        }
                    }

                    if (recordedTime !== null) {
                        Store.save(k3n + '+' + d, jsonStringify({
                            't': recordedTime
                        })) //prevent loss of last record
                    }

                    const _record_max_ = 48;
                    const _record_keep_ = 26;

                    if (p > _record_max_) {
                        //exisiting 48 records for one site;
                        //keep only 26 records

                        const comparator = (a, b) => (a.t < b.t ? -1 : a.t > b.t ? 1 : 0);

                        m1
                            .map(keyName => ({
                                keyName,
                                t: +(keyName.split('+')[1] || '0')
                            }))
                            .sort(comparator)
                            .slice(0, -_record_keep_)
                            .forEach((item) => localStorage.removeItem(item.keyName));

                        consoleLog(`stored progress: reduced to ${_record_keep_}`)
                    }

                    player.setAttribute('_h5p_uid_encrypted', _uid_encrypted + '+' + d);

                    //try to start recording
                    if (player._record_continuous) player._record_continuous.playingWithRecording();

                }, 5400);

            })

        },
        bindDocEvents: function(rootNode) {
            if (!rootNode._onceBindedDocEvents) {

                rootNode._onceBindedDocEvents = true;
                rootNode.addEventListener('keydown', $hs.handlerRootKeyDownEvent, true)
                document._debug_rootNode_ = rootNode;

                rootNode.addEventListener('mouseenter', $hs.handlerElementMouseEnter, true)
                rootNode.addEventListener('mousedown', $hs.handlerElementMouseDown, true)
                rootNode.addEventListener('dblclick', $hs.handlerElementDblClick, true)
                rootNode.addEventListener('wheel', $hs.handlerElementWheelTuneVolume, {
                    passive: false
                });

                // wheel - bubble events to keep it simple (i.e. it must be passive:false & capture:false)


                rootNode.addEventListener('focus', $hs.handlerElementFocus, true)
                rootNode.addEventListener('fullscreenchange', $hs.handlerFullscreenChanged, true)

            }
        },
        fireGlobalInit: function() {
            if ($hs.intVideoInitCount != 1) return;
            if (!$hs.varSrcList) $hs.varSrcList = {};
            $hs.isLostFocus = null;
            try {
                //iframe may not be able to control top window
                //error; just ignore with async
                let topDoc = window.top && window.top.document ? window.top.document : null;
                if (topDoc) {
                    topDoc.addEventListener('focusout', $hs.handlerDocFocusOut, true)
                    topDoc.addEventListener('focusin', $hs.handlerDocFocusIn, true)
                }

            } catch (e) {}
            Store.clearInvalid(_sVersion_)
        },
        onVideoTriggering: function() {


            // initialize a single video player - h5Player.playerInstance

            /**
             * 初始化播放器實例
             */
            let player = $hs.playerInstance
            if (!player) return

            let vpid = player.getAttribute('_h5ppid');

            if (!vpid) return;

            let firstTime = !!$hs.initTips()
            if (firstTime) {
                // first time to trigger this player
                if (!player.hasAttribute('playsinline')) player.setAttribute('playsinline', 'playsinline');
                if (!player.hasAttribute('x-webkit-airplay')) player.setAttribute('x-webkit-airplay', 'deny');
                if (!player.hasAttribute('preload')) player.setAttribute('preload', 'auto');
                //player.style['image-rendering'] = 'crisp-edges';
                $hs.playbackRate = $hs.getPlaybackRate()
            }

        },
        getPlaybackRate: function() {
            let playbackRate = Store.read('_playback_rate_') || $hs.playbackRate
            return Number(Number(playbackRate).toFixed(1))
        },
        getPlayerBlockElement: function(player, useCache) {

            let layoutBox = null,
                wPlayer = null

            if (!player || !player.offsetHeight || !player.offsetWidth || !player.parentNode) {
                return null;
            }


            if (useCache === true) {
                let vpid = player.getAttribute('_h5ppid');
                let actionBoxRelation = $hs.actionBoxRelations[vpid]
                if (actionBoxRelation && actionBoxRelation.mutationCount === 0) {
                    return actionBoxRelation.wPlayer
                }
            }


            //without checkActiveBox, just a DOM for you to append tipsDom

            function oWH(elm) {
                return [elm.offsetWidth, elm.offsetHeight].join(',');
            }

            function search_nodes() {

                wPlayer = player; // NOT NULL
                layoutBox = wPlayer.parentNode; // NOT NULL

                while (layoutBox.parentNode && layoutBox.nodeType == 1 && layoutBox.offsetHeight == 0) {
                    wPlayer = layoutBox; // NOT NULL
                    layoutBox = layoutBox.parentNode; // NOT NULL
                }
                //container must be with offsetHeight

                while (layoutBox.parentNode && layoutBox.nodeType == 1 && layoutBox.offsetHeight < player.offsetHeight) {
                    wPlayer = layoutBox; // NOT NULL
                    layoutBox = layoutBox.parentNode; // NOT NULL
                }
                //container must have height >= player height

                const layoutOWH = oWH(layoutBox)
                //const playerOWH=oWH(player)

                //skip all inner wraps
                while (layoutBox.parentNode && layoutBox.nodeType == 1 && oWH(layoutBox.parentNode) == layoutOWH) {
                    wPlayer = layoutBox; // NOT NULL
                    layoutBox = layoutBox.parentNode; // NOT NULL
                }

                // oWH of layoutBox.parentNode != oWH of layoutBox and layoutBox.offsetHeight >= player.offsetHeight

            }

            search_nodes();

            if (layoutBox.nodeType == 11) {
                makeNoRoot(layoutBox);
                search_nodes();
            }



            //condition:
            //!layoutBox.parentNode || layoutBox.nodeType != 1 || layoutBox.offsetHeight > player.offsetHeight

            // layoutBox is a node contains <video> and offsetHeight>=video.offsetHeight
            // wPlayer is a HTML Element (nodeType==1)
            // you can insert the DOM element into the layoutBox

            if (layoutBox && wPlayer && layoutBox.nodeType === 1 && wPlayer.parentNode == layoutBox && layoutBox.parentNode) return wPlayer;
            throw 'unknown error';

        },
        getCommonContainer: function(elm1, elm2) {

            let box1 = elm1;
            let box2 = elm2;

            while (box1 && box2) {
                if (box1.contains(box2) || box2.contains(box1)) {
                    break;
                }
                box1 = box1.parentNode;
                box2 = box2.parentNode;
            }

            let layoutBox = null;

            box1 = (box1 && box1.contains(elm2)) ? box1 : null;
            box2 = (box2 && box2.contains(elm1)) ? box2 : null;

            if (box1 && box2) layoutBox = box1.contains(box2) ? box2 : box1;
            else layoutBox = box1 || box2 || null;

            return layoutBox

        },
        change_layoutBox: function(tipsDom) {
            let player = $hs.player()
            if (!player) return;
            let wPlayer = $hs.getPlayerBlockElement(player, true);
            let layoutBox = wPlayer.parentNode;

            if ((layoutBox && layoutBox.nodeType == 1) && (!tipsDom.parentNode || tipsDom.parentNode !== layoutBox)) {

                consoleLog('changed_layoutBox')
                layoutBox.insertBefore(tipsDom, wPlayer);

            }
        },

        _hasEventListener:function(elm, p){

            if(elm && elm._listeners){

                const cache = elm._listeners[p]
                return cache&&cache.funcCount>0

            }
            return false;

        },

        queryFullscreenBtnsIndependant: function(parentNode) {

            let btns = [];

            function elmCallback(elm) {

                let hasClickListeners = null,
                    childElementCount = null,
                    isVisible = null,
                    btnElm = elm;
                var pElm = elm;
                while (pElm && pElm.nodeType === 1 && pElm != parentNode && pElm.querySelector('video') === null) {

                    let funcTest= typeof pElm.onclick == 'function' || $hs._hasEventListener(pElm,'click');
                    funcTest= funcTest || typeof pElm.onmousedown == 'function' || $hs._hasEventListener(pElm,'mousedown');
                    funcTest= funcTest || typeof pElm.onmouseup == 'function' || $hs._hasEventListener(pElm,'mouseup');

                    if (funcTest) {
                        hasClickListeners = true
                        btnElm = pElm;
                        break;
                    }

                    pElm = pElm.parentNode;
                }
                if (btns.indexOf(btnElm) >= 0) return; //btn>a.fullscreen-1>b.fullscreen-2>c.fullscreen-3

                if ('_listeners' in elm) {

                    //hasClickListeners = elm._listeners && elm._listeners.click && elm._listeners.click.funcCount > 0

                }

                if ('childElementCount' in elm) {

                    childElementCount = elm.childElementCount;

                }
                if ('offsetParent' in elm) {
                    isVisible = !!elm.offsetParent; //works with parent/self display none; not work with visiblity hidden / opacity0

                }

                if (hasClickListeners) {
                    let btn = {
                        elm,
                        btnElm,
                        isVisible,
                        hasClickListeners,
                        childElementCount,
                        isContained: null
                    };

                    //console.log('btnElm', btnElm)

                    btns.push(btnElm)

                }
            }


            for (const elm of parentNode.querySelectorAll('[class*="full"][class*="screen"]')) {
                let className = (elm.getAttribute('class') || "");
                if (/\b(fullscreen|full-screen)\b/i.test(className.replace(/([A-Z][a-z]+)/g, '-$1-').replace(/[\_\-]+/g, '-'))) {
                    elmCallback(elm)
                }
            }


            for (const elm of parentNode.querySelectorAll('[id*="full"][id*="screen"]')) {
                let idName = (elm.getAttribute('id') || "");
                if (/\b(fullscreen|full-screen)\b/i.test(idName.replace(/([A-Z][a-z]+)/g, '-$1-').replace(/[\_\-]+/g, '-'))) {
                    elmCallback(elm)
                }
            }

            for (const elm of parentNode.querySelectorAll('[name*="full"][name*="screen"]')) {
                let nName = (elm.getAttribute('name') || "");
                if (/\b(fullscreen|full-screen)\b/i.test(nName.replace(/([A-Z][a-z]+)/g, '-$1-').replace(/[\_\-]+/g, '-'))) {
                    elmCallback(elm)
                }
            }


            return btns;

        },
        exclusiveElements: function(elms) {

            //not containing others
            let res = [];

            for (const roleElm of elms) {

                let isContained = false;
                for (const testElm of elms) {
                    if (testElm != roleElm && roleElm.contains(testElm)) {
                        isContained = true;
                        break;
                    }
                }
                if (!isContained) res.push(roleElm)
            }
            return res;

        },
        callFullScreenBtn: function() {
            console.log('callFullScreenBtn')



            let player = $hs.player()
            if (!player || !player.ownerDocument || !('exitFullscreen' in player.ownerDocument)) return;

            let btnElement = null;

            let vpid = player.getAttribute('_h5ppid') || null;

            if (!vpid) return;


            const chFull = $hs.toolCheckFullScreen(player.ownerDocument);



            let actionBoxRelation = $hs.actionBoxRelations[vpid];

            if (chFull === true) {
                player.ownerDocument.exitFullscreen();
                return;
            } else if (chFull === false) {
                if (actionBoxRelation && actionBoxRelation.actionBox) {
                    let actionBox = actionBoxRelation.actionBox;
                    let btnElements = actionBoxRelation.fullscreenBtns;

                    if (btnElements && btnElements.length > 0) {


                        let btnElement_idx = btnElements._only_idx;

                        if (btnElement_idx >= 0) {

                        } else if (btnElements.length === 1) {
                            btnElement_idx = 0;
                        } else if (btnElements.length > 1) {
                            //web-fullscreen-on/off ;  fullscreen-on/off ....

                            const strList = btnElements.map(elm => [elm.className || 'null', elm.id || 'null', elm.name || 'null'].join('-').replace(/([A-Z][a-z]+)/g, '-$1-').replace(/[\_\-]+/g, '-'))

                            const filterOutScores = new Array(strList.length).fill(0);
                            const filterInScores = new Array(strList.length).fill(0);
                            const filterScores = new Array(strList.length).fill(0);
                            for (const [j, str] of strList.entries()) {
                                if (/\b(fullscreen|full-screen)\b/i.test(str)) filterInScores[j] += 1
                                if (/\b(web-fullscreen|web-full-screen)\b/i.test(str)) filterOutScores[j] += 1
                                if (/\b(fullscreen-on|full-screen-on)\b/i.test(str)) filterInScores[j] += 1
                                if (/\b(fullscreen-off|full-screen-off)\b/i.test(str)) filterOutScores[j] += 1
                                if (/\b(on-fullscreen|on-full-screen)\b/i.test(str)) filterInScores[j] += 1
                                if (/\b(off-fullscreen|off-full-screen)\b/i.test(str)) filterOutScores[j] += 1
                            }

                            let maxScore = -1e7;
                            for (const [j, str] of strList.entries()) {
                                filterScores[j] = filterInScores[j] * 3 - filterOutScores[j] * 2
                                if (filterScores[j] > maxScore) maxScore = filterScores[j];
                            }
                            btnElement_idx = filterScores.indexOf(maxScore)
                            if (btnElement_idx < 0) btnElement_idx = 0; //unknown
                        }

                        btnElements._only_idx = btnElement_idx

                        btnElement = btnElements[btnElement_idx];

                        //consoleLog('original fullscreen')
                        window.requestAnimationFrame(() => btnElement.click());
                        return;

                    }


                }

            }

            let gPlayer = getRoot(player).querySelector(`[_h5p_fsElm_="${vpid}"]`); //it is set in fullscreenchange

            if (gPlayer) {

            } else if (actionBoxRelation && actionBoxRelation.actionBox) {
                gPlayer = actionBoxRelation.actionBox;
            } else if (actionBoxRelation && actionBoxRelation.layoutBox) {
                gPlayer = actionBoxRelation.layoutBox;
            } else {
                gPlayer = player;
            }

            consoleLog('DOM fullscreen', gPlayer)
            try {
                gPlayer.requestFullscreen() //known bugs : TypeError: fullscreen error
            } catch (e) {
                consoleLogF('fullscreen error', e)
            }


        },
        /* 設置播放速度 */
        setPlaybackRate: function(num, flagTips) {
            let player = $hs.player()
            let curPlaybackRate
            if (num) {
                num = +num
                if (num > 0) { // also checking the type of variable
                    curPlaybackRate = num < 0.1 ? 0.1 : +(num.toFixed(1))
                } else {
                    console.error('h5player: 播放速度轉換出錯')
                    return false
                }
            } else {
                curPlaybackRate = $hs.getPlaybackRate()
            }
            /* 記錄播放速度的信息 */

            let changed = curPlaybackRate !== player.playbackRate;

            if (curPlaybackRate !== player.playbackRate) {

                Store.save('_playback_rate_', curPlaybackRate + '')
                $hs.playbackRate = curPlaybackRate
                player.playbackRate = curPlaybackRate
                /* 本身處於1被播放速度的時候不再提示 */
                //if (!num && curPlaybackRate === 1) return;

            }

            flagTips = (flagTips < 0) ? false : (flagTips > 0) ? true : changed;
            if (flagTips) $hs.tips('Playback speed: ' + player.playbackRate + 'x')
        },
        tuneCurrentTime: function(amount, flagTips) {
            let _amount = +(+amount).toFixed(1);
            let player = $hs.player();
            if (_amount >= 0 || _amount < 0) {} else {
                return;
            }

            let newCurrentTime = player.currentTime + _amount;
            if (newCurrentTime < 0) newCurrentTime = 0;
            if (newCurrentTime > player.duration) newCurrentTime = player.duration;

            let changed = newCurrentTime != player.currentTime && newCurrentTime >= 0 && newCurrentTime <= player.duration;

            if (changed) {
                //player.currentTime = newCurrentTime;
                player.pause();
                let t_ch = (Math.random() / 5 + .75);
                player.currentTime = newCurrentTime * t_ch + player.currentTime * (1.0 - t_ch);
                setTimeout(() => {
                    player.play();
                    player.currentTime = newCurrentTime;
                }, 33);
                flagTips = (flagTips < 0) ? false : (flagTips > 0) ? true : changed;
                $hs.tips(false);
                if (flagTips) {
                    if (_amount > 0) $hs.tips(_amount + ' Sec. Forward', undefined, 3000);
                    else $hs.tips(-_amount + ' Sec. Backward', undefined, 3000)
                }
            }

        },
        tuneVolume: function(amount) {
            let _amount = +(+amount).toFixed(2);

            let player = $hs.player()

            let newVol = player.volume + _amount;
            if (newVol < 0) newVol = 0;
            if (newVol > 1) newVol = 1;
            let chVol = player.volume !== newVol && newVol >= 0 && newVol <= 1;

            if (chVol) {

                if (_amount > 0 && player.volume < 1) {
                    player.volume = newVol // positive
                } else if (_amount < 0 && player.volume > 0) {
                    player.volume = newVol // negative
                }
                $hs.tips(false);
                $hs.tips('Volume: ' + dround(player.volume * 100) + '%', undefined)
            }
        },
        switchPlayStatus: function() {
            let player = $hs.player()
            if (player.paused) {
                player.play()
                if (player._isThisPausedBefore_) {
                    $hs.tips(false);
                    $hs.tips('Playback resumed', undefined, 2500)
                }
            } else {
                player.pause()
                $hs.tips(false);
                $hs.tips('Playback paused', undefined, 2500)
            }
        },
        tipsClassName: 'html_player_enhance_tips',
        _tips: function(player, str, duration, order) {


            if (!player.getAttribute('_h5player_tips')) $hs.initTips();

            let tipsSelector = '#' + (player.getAttribute('_h5player_tips') || $hs.tipsClassName) //if this attribute still doesnt exist, set it to the base cls name
            let tipsDom = getRoot(player).querySelector(tipsSelector)
            if (!tipsDom) {
                consoleLog('init h5player tips dom error...')
                return false
            }
            $hs.change_layoutBox(tipsDom);



            if (str === false) {
                tipsDom.textContent = '';
                tipsDom.setAttribute('_potTips_', '0')
            } else {
                order = order || 1000
                tipsDom.tipsOrder = tipsDom.tipsOrder || 0;

                let shallDisplay = true
                if (order < tipsDom.tipsOrder && getComputedStyle(tipsDom).opacity > 0) shallDisplay = false

                if (shallDisplay) {
                    tipsDom._playerElement = player;
                    tipsDom._playerVPID = player.getAttribute('_h5ppid');
                    tipsDom._playerBlockElm = $hs.getPlayerBlockElement(player, true)

                    if (duration === undefined) duration = 2000
                    tipsDom.textContent = str
                    tipsDom.setAttribute('_potTips_', '2')

                    if (duration > 0) {
                        $ws.requestAnimationFrame(() => tipsDom.setAttribute('_potTips_', '1'))
                    } else {
                        order = -1;
                    }

                    tipsDom.tipsOrder = order

                }

            }


            if (window.ResizeObserver) {
                //observe not fire twice for the same element.
                if (!$hs.observer_resizeVideos) $hs.observer_resizeVideos = new ResizeObserver(hanlderResizeVideo)
                $hs.observer_resizeVideos.observe(tipsDom._playerBlockElm.parentNode)
                $hs.observer_resizeVideos.observe(tipsDom._playerBlockElm)
                $hs.observer_resizeVideos.observe(player)
            }
            //ensure function called
            window.requestAnimationFrame(() => $hs.fixNonBoxingVideoTipsPosition(tipsDom, player))

        },
        tips: function(str, duration, order) {
            let player = $hs.player()
            if (!player) {
                consoleLog('h5Player Tips:', str)
                return true
            }

            return $hs._tips(player, str, duration, order)

        },
        listOfTipsDom: [],
        getPotTips: function(arr) {
            const res = [];
            for (const tipsDom of $hs.listOfTipsDom) {
                if (tipsDom && tipsDom.nodeType > 0 && tipsDom.parentNode && tipsDom.ownerDocument) {
                    if (tipsDom._playerBlockElm && tipsDom._playerBlockElm.parentNode) {
                        const potTipsAttr = tipsDom.getAttribute('_potTips_')
                        if (arr.indexOf(potTipsAttr) >= 0) res.push(tipsDom)
                    }
                }
            }
            return res;
        },
        initTips: function() {
            /* 設置提示DOM的樣式 */
            let player = $hs.player()
            let shadowRoot = getRoot(player);
            let doc = player.ownerDocument;
            //console.log((document.documentElement.qq=player),shadowRoot,'xax')
            let parentNode = player.parentNode
            let tcn = player.getAttribute('_h5player_tips') || ($hs.tipsClassName + '_' + (+new Date));
            player.setAttribute('_h5player_tips', tcn)
            if (shadowRoot.querySelector('#' + tcn)) return false;

            if (!shadowRoot._onceAddedCSS) {
                shadowRoot._onceAddedCSS = true;

                let cssStyle = `
                [_potTips_="1"]{
                animation: 2s linear 0s normal forwards 1 delayHide;
                }
                [_potTips_="0"]{
                opacity:0; transform:translate(-9999px);
                }
                [_potTips_="2"]{
                opacity:.95; transform: translate(0,0);
                }

                @keyframes delayHide{
                0%, 99% { opacity:0.95; transform: translate(0,0); }
                100% { opacity:0; transform:translate(-9999px); }
                }
                ` + `
                [_potTips_]{
                font-weight: bold !important;
                position: absolute !important;
                z-index: 999 !important;
                font-size: ${$hs.fontSize || 16}px !important;
                padding: 0px !important;
                border:none !important;
                background: rgba(0,0,0,0) !important;
                color:#738CE6 !important;
                text-shadow: -1px -1px 0 #000, 1px -1px 0 #000, -1px 1px 0 #000, 1px 1px 0 #000;
                top: 50%;
                left: 50%;
                max-width:500px;max-height:50px;
                border-radius:3px;
                font-family: 'microsoft yahei', Verdana, Geneva, sans-serif;
                pointer-events: none;
                }
                body div[_potTips_]{
                -webkit-user-select: none !important;
                -moz-user-select: none !important;
                -ms-user-select: none !important;
                user-select: none !important;
                -webkit-touch-callout: none !important;
                -webkit-user-select: none !important;
                -khtml-user-drag: none !important;
                -khtml-user-select: none !important;
                -moz-user-select: none !important;
                -moz-user-select: -moz-none !important;
                -ms-user-select: none !important;
                user-select: none !important;
                }
                `.replace(/\r\n/g, '');


                let cssContainer = domAppender(shadowRoot);


                if (!cssContainer) {
                    cssContainer = makeNoRoot(shadowRoot)
                }

                domTool.addStyle(cssStyle, cssContainer);

            }

            let tipsDom = doc.createElement('div')

            tipsDom.addEventListener(crossBrowserTransition('animation'), function(e) {
                if (this.getAttribute('_potTips_') == '1') {
                    this.setAttribute('_potTips_', '0')
                }
            })

            tipsDom.id = tcn;
            tipsDom.setAttribute('_potTips_', '0');
            $hs.listOfTipsDom.push(tipsDom);
            $hs.change_layoutBox(tipsDom);

            return true;
        },

        responsiveSizing: function(container, elm) {

            let gcssP = getComputedStyle(container);

            let gcssE = getComputedStyle(elm);

            //console.log(gcssE.left,gcssP.width)
            let elmBound = {
                left: parseFloat(gcssE.left) / parseFloat(gcssP.width),
                width: parseFloat(gcssE.width) / parseFloat(gcssP.width),
                top: parseFloat(gcssE.top) / parseFloat(gcssP.height),
                height: parseFloat(gcssE.height) / parseFloat(gcssP.height)
            };

            let elm00 = [elmBound.left, elmBound.top];
            let elm01 = [elmBound.left + elmBound.width, elmBound.top];
            let elm10 = [elmBound.left, elmBound.top + elmBound.height];
            let elm11 = [elmBound.left + elmBound.width, elmBound.top + elmBound.height];

            return {
                elm00,
                elm01,
                elm10,
                elm11,
                plw: elmBound.width,
                plh: elmBound.height
            };

        },

        fixNonBoxingVideoTipsPosition: function(tipsDom, player) {

            if (!tipsDom || !player) return;

            let ct = $hs.getCommonContainer(tipsDom, player)

            if (!ct) return;

            //relative

            let elm00 = $hs.responsiveSizing(ct, player).elm00;

            if (isNaN(elm00[0]) || isNaN(elm00[1])) {

                [tipsDom.style.left, tipsDom.style.top] = [player.style.left, player.style.top];
                //eg auto
            } else {

                let rlm00 = elm00.map(t => (t * 100).toFixed(2) + '%');
                [tipsDom.style.left, tipsDom.style.top] = rlm00;

            }

            // absolute

            let _offset = {
                left: 10,
                top: 15
            };

            let customOffset = {
                left: _offset.left,
                top: _offset.top
            };
            let p = tipsDom.getBoundingClientRect();
            let q = player.getBoundingClientRect();
            let currentPos = [p.left, p.top];

            let targetPos = [q.left + player.offsetWidth * 0 + customOffset.left, q.top + player.offsetHeight * 0 + customOffset.top];

            let mL = +tipsDom.style.marginLeft.replace('px', '') || 0;
            if (isNaN(mL)) mL = 0;
            let mT = +tipsDom.style.marginTop.replace('px', '') || 0;
            if (isNaN(mT)) mT = 0;

            let z1 = -(currentPos[0] - targetPos[0]);
            let z2 = -(currentPos[1] - targetPos[1]);

            if (z1 || z2) {

                let y1 = z1 + mL;
                let y2 = z2 + mT;

                tipsDom.style.marginLeft = y1 + 'px';
                tipsDom.style.marginTop = y2 + 'px';

            }
        },

        playerTrigger: function(player, event) {
            if (!player || !event) return
            const pCode = event.code;
            let keyAsm = (event.shiftKey ? SHIFT : 0) | ((event.ctrlKey || event.metaKey) ? CTRL : 0) | (event.altKey ? ALT : 0);


            let vpid = player.getAttribute('_h5ppid') || null;
            if (!vpid) return;
            let playerConf = playerConfs[vpid]
            if (!playerConf) return;

            //shift + key
            if (keyAsm == SHIFT) {
                // 網頁FULLSCREEN
                if (pCode === 'Enter') {
                    $hs.callFullScreenBtn()
                    return TERMINATE
                } else if (pCode == 'KeyF') {
                    //change unsharpen filter

                    let resList = ["unsharpen3_05", "unsharpen3_10", "unsharpen5_05", "unsharpen5_10", "unsharpen9_05", "unsharpen9_10"]
                    let res = (prompt("Enter the unsharpen mask\n(" + resList.map(x => '"' + x + '"').join(', ') + ")", "unsharpen9_05") || "").toLowerCase();
                    if (resList.indexOf(res) < 0) res = ""
                    GM_setValue("unsharpen_mask", res)
                    for (const el of document.querySelectorAll('video[_h5p_uid_encrypted]')) {
                        if (el.style.filter == "" || el.style.filter) {
                            let filterStr1 = el.style.filter.replace(/\s*url\(\"#_h5p_unsharpen[\d\_]+\"\)/, '');
                            let filterStr2 = (res.length > 0 ? ' url("#_h5p_' + res + '")' : '')
                            el.style.filter = filterStr1 + filterStr2;
                        }
                    }
                    return TERMINATE

                }
                // 進入或退出畫中畫模式
                else if (pCode == 'KeyP') {
                    $hs.pictureInPicture(player)

                    return TERMINATE
                } else if (pCode == 'KeyR') {
                    if (player._h5player_lastrecord_ !== null && (player._h5player_lastrecord_ >= 0 || player._h5player_lastrecord_ <= 0)) {
                        $hs.setPlayProgress(player, player._h5player_lastrecord_)

                        return TERMINATE
                    }

                } else if (pCode == 'KeyO') {
                    let _debug_h5p_logging_ch = false;
                    try {
                        Store._setItem('_h5_player_sLogging_', 1 - Store._getItem('_h5_player_sLogging_'))
                        _debug_h5p_logging_ = +Store._getItem('_h5_player_sLogging_') > 0;
                        _debug_h5p_logging_ch = true;
                    } catch (e) {

                    }
                    consoleLogF('_debug_h5p_logging_', !!_debug_h5p_logging_, 'changed', _debug_h5p_logging_ch)

                    if (_debug_h5p_logging_ch) {

                        return TERMINATE
                    }
                } else if (pCode == 'KeyT') {
                    if (/^blob/i.test(player.currentSrc)) {
                        alert(`The current video is ${player.currentSrc}\nSorry, it cannot be opened in PotPlayer.`);
                    } else {
                        let confirm_res = confirm(`The current video is ${player.currentSrc}\nDo you want to open it in PotPlayer?`);
                        if (confirm_res) window.open('potplayer://' + player.currentSrc, '_blank');
                    }
                    return TERMINATE
                }



                let videoScale = playerConf.vFactor;

                function tipsForVideoScaling() {

                    playerConf.vFactor = +videoScale.toFixed(1);

                    playerConf.cssTransform();
                    let tipsMsg = `視頻縮放率：${ +(videoScale * 100).toFixed(2)  }%`
                    if (playerConf.translate.x) {
                        tipsMsg += `，水平位移：${playerConf.translate.x}px`
                    }
                    if (playerConf.translate.y) {
                        tipsMsg += `，垂直位移：${playerConf.translate.y}px`
                    }
                    $hs.tips(false);
                    $hs.tips(tipsMsg)


                }

                // 視頻畫面縮放相關事件

                switch (pCode) {
                    // shift+X：視頻縮小 -0.1
                    case 'KeyX':
                        videoScale -= 0.1
                        if (videoScale < 0.1) videoScale = 0.1;
                        tipsForVideoScaling();
                        return TERMINATE
                        break
                        // shift+C：視頻放大 +0.1
                    case 'KeyC':
                        videoScale += 0.1
                        if (videoScale > 16) videoScale = 16;
                        tipsForVideoScaling();
                        return TERMINATE
                        break
                        // shift+Z：視頻恢復正常大小
                    case 'KeyZ':
                        videoScale = 1.0
                        playerConf.translate.x = 0;
                        playerConf.translate.y = 0;
                        tipsForVideoScaling();
                        return TERMINATE
                        break
                    case 'ArrowRight':
                        playerConf.translate.x += 10
                        tipsForVideoScaling();
                        return TERMINATE
                        break
                    case 'ArrowLeft':
                        playerConf.translate.x -= 10
                        tipsForVideoScaling();
                        return TERMINATE
                        break
                    case 'ArrowUp':
                        playerConf.translate.y -= 10
                        tipsForVideoScaling();
                        return TERMINATE
                        break
                    case 'ArrowDown':
                        playerConf.translate.y += 10
                        tipsForVideoScaling();
                        return TERMINATE
                        break

                }

            }
            // 防止其它無關組合鍵衝突
            if (!keyAsm) {
                let kControl = null
                let newPBR, oldPBR, nv, numKey;
                switch (pCode) {
                    // 方向鍵右→：快進3秒
                    case 'ArrowRight':
                        $hs.tuneCurrentTime($hs.skipStep);
                        return TERMINATE;
                        break;
                        // 方向鍵左←：後退3秒
                    case 'ArrowLeft':
                        $hs.tuneCurrentTime(-$hs.skipStep);
                        return TERMINATE;
                        break;
                        // 方向鍵上↑：音量升高 1%
                    case 'ArrowUp':
                        if ((player.muted && player.volume === 0) && player._volume > 0) {

                            player.muted = false;
                            player.volume = player._volume;
                        } else if (player.muted && (player.volume > 0 || !player._volume)) {
                            player.muted = false;
                        }
                        $hs.tuneVolume(0.01);
                        return TERMINATE;
                        break;
                        // 方向鍵下↓：音量降低 1%
                    case 'ArrowDown':

                        if ((player.muted && player.volume === 0) && player._volume > 0) {

                            player.muted = false;
                            player.volume = player._volume;
                        } else if (player.muted && (player.volume > 0 || !player._volume)) {
                            player.muted = false;
                        }
                        $hs.tuneVolume(-0.01);
                        return TERMINATE;
                        break;
                        // 空格鍵：暫停/播放
                    case 'Space':
                        $hs.switchPlayStatus();
                        return TERMINATE;
                        break;
                        // 按鍵X：減速播放 -0.1
                    case 'KeyX':
                        if (player.playbackRate > 0) {
                            $hs.tips(false);
                            $hs.setPlaybackRate(player.playbackRate - 0.1);
                            return TERMINATE
                        }
                        break;
                        // 按鍵C：加速播放 +0.1
                    case 'KeyC':
                        if (player.playbackRate < 16) {
                            $hs.tips(false);
                            $hs.setPlaybackRate(player.playbackRate + 0.1);
                            return TERMINATE
                        }

                        break;
                        // 按鍵Z：正常速度播放
                    case 'KeyZ':
                        $hs.tips(false);
                        oldPBR = player.playbackRate;
                        if (oldPBR != 1.0) {
                            player._playbackRate_z = oldPBR;
                            newPBR = 1.0;
                        } else if (player._playbackRate_z != 1.0) {
                            newPBR = player._playbackRate_z || 1.0;
                            player._playbackRate_z = 1.0;
                        } else {
                            newPBR = 1.0
                            player._playbackRate_z = 1.0;
                        }
                        $hs.setPlaybackRate(newPBR, 1)
                        return TERMINATE
                        break;
                        // 按鍵F：下一幀
                    case 'KeyF':
                        if (window.location.hostname === 'www.netflix.com') return /* netflix 的F鍵是FULLSCREEN的意思 */
                        $hs.tips(false);
                        if (!player.paused) player.pause()
                        player.currentTime += +(1 / playerConf.fps)
                        $hs.tips('Jump to: Next frame')
                        return TERMINATE
                        break;
                        // 按鍵D：上一幀
                    case 'KeyD':
                        $hs.tips(false);
                        if (!player.paused) player.pause()
                        player.currentTime -= +(1 / playerConf.fps)
                        $hs.tips('Jump to: Previous frame')
                        return TERMINATE
                        break;
                        // 按鍵E：亮度增加%
                    case 'KeyE':
                        $hs.tips(false);
                        nv = playerConf.setFilter('brightness', (v) => v + 0.1);
                        $hs.tips('Brightness: ' + dround(nv * 100) + '%')
                        return TERMINATE
                        break;
                        // 按鍵W：亮度減少%
                    case 'KeyW':
                        $hs.tips(false);
                        nv = playerConf.setFilter('brightness', (v) => v > 0.1 ? v - 0.1 : 0);
                        $hs.tips('Brightness: ' + dround(nv * 100) + '%')
                        return TERMINATE
                        break;
                        // 按鍵T：對比度增加%
                    case 'KeyT':
                        $hs.tips(false);
                        nv = playerConf.setFilter('contrast', (v) => v + 0.1);
                        $hs.tips('Contrast: ' + dround(nv * 100) + '%')
                        return TERMINATE
                        break;
                        // 按鍵R：對比度減少%
                    case 'KeyR':
                        $hs.tips(false);
                        nv = playerConf.setFilter('contrast', (v) => v > 0.1 ? v - 0.1 : 0);
                        $hs.tips('Contrast: ' + dround(nv * 100) + '%')
                        return TERMINATE
                        break;
                        // 按鍵U：飽和度增加%
                    case 'KeyU':
                        $hs.tips(false);
                        nv = playerConf.setFilter('saturate', (v) => v + 0.1);
                        $hs.tips('Saturate: ' + dround(nv * 100) + '%')
                        return TERMINATE
                        break;
                        // 按鍵Y：飽和度減少%
                    case 'KeyY':
                        $hs.tips(false);
                        nv = playerConf.setFilter('saturate', (v) => v > 0.1 ? v - 0.1 : 0);
                        $hs.tips('Saturate: ' + dround(nv * 100) + '%')
                        return TERMINATE
                        break;
                        // 按鍵O：色相增加 1 度
                    case 'KeyO':
                        $hs.tips(false);
                        nv = playerConf.setFilter('hue-rotate', (v) => v + 1);
                        $hs.tips('Hue: ' + nv + ' deg')
                        return TERMINATE
                        break;
                        // 按鍵I：色相減少 1 度
                    case 'KeyI':
                        $hs.tips(false);
                        nv = playerConf.setFilter('hue-rotate', (v) => v - 1);
                        $hs.tips('Hue: ' + nv + ' deg')
                        return TERMINATE
                        break;
                        // 按鍵K：模糊增加 0.1 px
                    case 'KeyK':
                        $hs.tips(false);
                        nv = playerConf.setFilter('blur', (v) => v + 0.1);
                        $hs.tips('Blur: ' + nv + ' px')
                        return TERMINATE
                        break;
                        // 按鍵J：模糊減少 0.1 px
                    case 'KeyJ':
                        $hs.tips(false);
                        nv = playerConf.setFilter('blur', (v) => v > 0.1 ? v - 0.1 : 0);
                        $hs.tips('Blur: ' + nv + ' px')
                        return TERMINATE
                        break;
                        // 按鍵Q：圖像復位
                    case 'KeyQ':
                        $hs.tips(false);
                        playerConf.filterReset();
                        $hs.tips('Video Filter Reset')
                        return TERMINATE
                        break;
                        // 按鍵S：畫面旋轉 90 度
                    case 'KeyS':
                        $hs.tips(false);
                        playerConf.rotate += 90
                        if (playerConf.rotate % 360 === 0) playerConf.rotate = 0;
                        if (!playerConf.videoHeight || !playerConf.videoWidth) {
                            playerConf.videoWidth = playerConf.domElement.videoWidth;
                            playerConf.videoHeight = playerConf.domElement.videoHeight;
                        }
                        if (playerConf.videoWidth > 0 && playerConf.videoHeight > 0) {


                            if ((playerConf.rotate % 180) == 90) {
                                playerConf.mFactor = playerConf.videoHeight / playerConf.videoWidth;
                            } else {
                                playerConf.mFactor = 1.0;
                            }


                            playerConf.cssTransform();

                            $hs.tips('Rotation：' + playerConf.rotate + ' deg')

                        }

                        return TERMINATE
                        break;
                        // 按鍵迴車，進入FULLSCREEN
                    case 'Enter':
                        //t.callFullScreenBtn();
                        break;
                    case 'KeyN':
                        $hs.pictureInPicture(player);
                        return TERMINATE
                        break;
                    case 'KeyM':
                        //console.log('m!', player.volume,player._volume)

                        if (player.volume >= 0) {

                            if (!player.volume || player.muted) {

                                let newVol = player.volume || player._volume || 0.5;
                                if (player.volume !== newVol) {
                                    player.volume = newVol;
                                }
                                player.muted = false;
                                $hs.tips(false);
                                $hs.tips('Mute: Off', undefined);

                            } else {

                                player._volume = player.volume;
                                player._volume_p = player.volume;
                                //player.volume = 0;
                                player.muted = true;
                                $hs.tips(false);
                                $hs.tips('Mute: On', undefined);

                            }

                        }

                        return TERMINATE
                        break;
                    default:
                        // 按1-4設置播放速度 49-52;97-100
                        numKey = +(event.key)

                        if (numKey >= 1 && numKey <= 4) {
                            $hs.tips(false);
                            $hs.setPlaybackRate(numKey, 1)
                            return TERMINATE
                        }
                }

            }
        },

        handlerPlayerLockedMouseMove: function(e) {
            let player = $hs.player();
            let rootNode = getRoot(player);

            if (rootNode.pointerLockElement != player) {
                player.removeEventListener('mousemove', $hs.handlerPlayerLockedMouseMove)
                return;
            }

            let movementX = e.movementX || e.mozMovementX || e.webkitMovementX || 0,
                movementY = e.movementY || e.mozMovementY || e.webkitMovementY || 0;

            player.__xyOffset.x += movementX
            player.__xyOffset.y += movementY
            let ld = Math.sqrt(screen.width * screen.width + screen.height * screen.height) * .1
            let md = Math.sqrt(player.__xyOffset.x * player.__xyOffset.x + player.__xyOffset.y * player.__xyOffset.y);
            if (md > ld) $hs.playerActionLeave();

        },

        playerActionEnter: function() {
            let player = $hs.player();

            if (player) {
                player.__requestPointerLock__();
                player.__xyOffset = {
                    x: 0,
                    y: 0
                };
                player.addEventListener('mousemove', $hs.handlerPlayerLockedMouseMove)
            }
        },

        focusHookVDoc: null,
        focusHookVId: '',

        playerActionLeave: function() {
            let player = $hs.player();
            if (player) player.removeEventListener('mousemove', $hs.handlerPlayerLockedMouseMove)
            document.__exitPointerLock__();
        },

        handlerElementFocus: function(event) {

            function notAtVideo() {
                if ($hs.focusHookVDoc) $hs.focusHookVDoc = null
                if ($hs.focusHookVId) $hs.focusHookVId = ''
            }

            const hookVideo = $hs.focusHookVDoc && $hs.focusHookVId ? $hs.focusHookVDoc.querySelector(`VIDEO[_h5ppid=${$hs.focusHookVId}]`) : null


            if (hookVideo && (event.target == hookVideo || event.target.contains(hookVideo))) {


            } else {

                notAtVideo();


            }

        },

        handlerFullscreenChanged: function(event) {


            let videoElm = null,
                videosQuery = null;
            if (event && event.target) {

                if (event.target.nodeName == "VIDEO") videoElm = event.target;
                else if (videosQuery = event.target.querySelectorAll("VIDEO")) {
                    if (videosQuery.length === 1) videoElm = videosQuery[0]
                }


            }

            if (videoElm) {



                const player = videoElm;
                const vpid = player.getAttribute('_h5ppid')


                event.target.setAttribute('_h5p_fsElm_', vpid)


                function hookTheActionedVideo() {
                    $hs.focusHookVDoc = getRoot(player)
                    $hs.focusHookVId = vpid
                }

                hookTheActionedVideo();
                setTimeout(function() {
                    hookTheActionedVideo()
                }, 500)



            } else {

                $hs.focusHookVDoc = null
                $hs.focusHookVId = ''

            }


        },

        /* 按鍵響應方法 */
        handlerRootKeyDownEvent: function(event) {

            function notAtVideo() {
                if ($hs.focusHookVDoc) $hs.focusHookVDoc = null
                if ($hs.focusHookVId) $hs.focusHookVId = ''
            }




            if ($hs.intVideoInitCount > 0) {} else {
                // return notAtVideo();
            }

            // DOM Standard - either .key or .code
            // Here we adopt .code (physical layout)

            let pCode = event.code;
            if (typeof pCode != 'string') return;
            let player = $hs.player()
            if (!player) return; // no video tag

            let rootNode = getRoot(player);
            let isRequiredListen = false;

            let keyAsm = (event.shiftKey ? SHIFT : 0) | ((event.ctrlKey || event.metaKey) ? CTRL : 0) | (event.altKey ? ALT : 0);


            if (document.fullscreenElement || rootNode.pointerLockElement) {
                isRequiredListen = true;


                if (!keyAsm && pCode == 'Escape') {
                    setTimeout(() => {
                        if (document.fullscreenElement) {
                            document.exitFullscreen();
                        } else if (document.pointerLockElement) {
                            $hs.playerActionLeave();
                        }
                    }, 700);
                    return;
                }


            }

            const actionBoxRelation = $hs.getActionBoxRelationFromDOM(event.target)
            let hookVideo = null;

            if (actionBoxRelation) {
                $hs.focusHookVDoc = getRoot(actionBoxRelation.player);
                $hs.focusHookVId = actionBoxRelation.player.getAttribute('_h5ppid');
                hookVideo = actionBoxRelation.player;
            } else {
                hookVideo = $hs.focusHookVDoc && $hs.focusHookVId ? $hs.focusHookVDoc.querySelector(`VIDEO[_h5ppid=${$hs.focusHookVId}]`) : null
            }

            if (hookVideo) isRequiredListen = true;

            //console.log('root key', isRequiredListen, event.target, hookVideo)

            if (!isRequiredListen) return;

            //console.log('K01')

            /* 切換插件的可用狀態 */
            // Shift-`
            if (keyAsm == SHIFT && pCode == 'Backquote') {
                $hs.enable = !$hs.enable;
                $hs.tips(false);
                if ($hs.enable) {
                    $hs.tips('啟用h5Player插件')
                } else {
                    $hs.tips('禁用h5Player插件')
                }
                // 阻止事件冒泡
                event.stopPropagation()
                event.preventDefault()
                return false
            }
            if (!$hs.enable) {
                consoleLog('h5Player 已禁用~')
                return false
            }

            /* 非全局模式下，不聚焦則不執行快捷鍵的操作 */

            if (!keyAsm && pCode == 'Enter') { //not NumberpadEnter
                if (!rootNode.pointerLockElement && !document.fullscreenElement) {
                    if (rootNode.pointerLockElement != player) {
                        $hs.playerActionEnter();

                        // 阻止事件冒泡
                        event.stopPropagation()
                        event.preventDefault()
                        return false
                    }
                } else if (rootNode.pointerLockElement && !document.fullscreenElement) {
                    $hs.playerActionLeave();

                    // 阻止事件冒泡
                    event.stopPropagation()
                    event.preventDefault()
                    return false
                } else if (document.fullscreenElement) {
                    document.exitFullscreen();

                    // 阻止事件冒泡
                    event.stopPropagation()
                    event.preventDefault()
                    return false
                }
            }



            let res = $hs.playerTrigger(player, event)
            if (res == TERMINATE) {
                event.stopPropagation()
                event.preventDefault()
                return false
            }

        },
        /* 設置播放進度 */
        setPlayProgress: function(player, curTime) {
            if (!player) return
            if (!curTime || Number.isNaN(curTime)) return
            player.currentTime = curTime
            if (curTime > 3) {
                $hs.tips(false);
                $hs.tips(`Playback Jumps to ${$hs.toolFormatCT(curTime)}`)
                if (player.paused) player.play();
            }
        }
    }

    function makeFilter(arr, k) {
        let res = ""
        for (const e of arr) {
            for (const d of e) {
                res += " " + (1.0 * d * k).toFixed(9)
            }
        }
        return res.trim()
    }

    function _add_filter(rootElm) {
        let rootView = null;
        if (rootElm && rootElm.nodeType > 0) {
            while (rootElm.parentNode && rootElm.parentNode.nodeType === 1) rootElm = rootElm.parentNode;
            rootView = rootElm.querySelector('body') || rootElm;
        } else {
            return;
        }

        if (rootView && rootView.querySelector && !rootView.querySelector('#_h5player_section_')) {

            let svgFilterElm = document.createElement('section')
            svgFilterElm.style.position = 'fixed';
            svgFilterElm.style.left = '-999px';
            svgFilterElm.style.width = '1px';
            svgFilterElm.style.top = '-999px';
            svgFilterElm.style.height = '1px';
            svgFilterElm.id = '_h5player_section_'
            let svgXML = `
                <svg id='_h5p_image' version="1.1" xmlns="http://www.w3.org/2000/svg">
                <defs>
                <filter id="_h5p_sharpen1">
                <feConvolveMatrix filterRes="100 100" style="color-interpolation-filters:sRGB" order="3" kernelMatrix="` + `
                -0.3 -0.3 -0.3
                -0.3 3.4 -0.3
                -0.3 -0.3 -0.3`.replace(/[\n\r]+/g, '  ').trim() + `"  preserveAlpha="true"/>
                </filter>
                <filter id="_h5p_unsharpen1">
                <feConvolveMatrix style="color-interpolation-filters:sRGB;color-interpolation: sRGB;" order="5" kernelMatrix="` +
                makeFilter([
                    [1, 4, 6, 4, 1],
                    [4, 16, 24, 16, 4],
                    [6, 24, -476, 24, 6],
                    [4, 16, 24, 16, 4],
                    [1, 4, 6, 4, 1]
                ], -1 / 256) + `"  preserveAlpha="false"/>
                </filter>
                <filter id="_h5p_unsharpen3_05">
                <feConvolveMatrix style="color-interpolation-filters:sRGB;color-interpolation: sRGB;" order="3" kernelMatrix="` +
                makeFilter(
                    [
                        [0.025, 0.05, 0.025],
                        [0.05, -1.1, 0.05],
                        [0.025, 0.05, 0.025]
                    ], -1 / .8) + `"  preserveAlpha="false"/>
                </filter>
                <filter id="_h5p_unsharpen3_10">
                <feConvolveMatrix style="color-interpolation-filters:sRGB;color-interpolation: sRGB;" order="3" kernelMatrix="` +
                makeFilter(
                    [
                        [0.05, 0.1, 0.05],
                        [0.1, -1.4, 0.1],
                        [0.05, 0.1, 0.05]
                    ], -1 / .8) + `"  preserveAlpha="false"/>
                </filter>
                <filter id="_h5p_unsharpen5_05">
                <feConvolveMatrix style="color-interpolation-filters:sRGB;color-interpolation: sRGB;" order="5" kernelMatrix="` +
                makeFilter(
                    [
                        [0.025, 0.1, 0.15, 0.1, 0.025],
                        [0.1, 0.4, 0.6, 0.4, 0.1],
                        [0.15, 0.6, -18.3, 0.6, 0.15],
                        [0.1, 0.4, 0.6, 0.4, 0.1],
                        [0.025, 0.1, 0.15, 0.1, 0.025]
                    ], -1 / 12.8) + `"  preserveAlpha="false"/>
                </filter>
                <filter id="_h5p_unsharpen5_10">
                <feConvolveMatrix style="color-interpolation-filters:sRGB;color-interpolation: sRGB;" order="5" kernelMatrix="` +
                makeFilter(
                    [
                        [0.05, 0.2, 0.3, 0.2, 0.05],
                        [0.2, 0.8, 1.2, 0.8, 0.2],
                        [0.3, 1.2, -23.8, 1.2, 0.3],
                        [0.2, 0.8, 1.2, 0.8, 0.2],
                        [0.05, 0.2, 0.3, 0.2, 0.05]
                    ], -1 / 12.8) + `"  preserveAlpha="false"/>
                </filter>
                <filter id="_h5p_unsharpen9_05">
                <feConvolveMatrix style="color-interpolation-filters:sRGB;color-interpolation: sRGB;" order="9" kernelMatrix="` +
                makeFilter(
                    [
                        [0.025, 0.2, 0.7, 1.4, 1.75, 1.4, 0.7, 0.2, 0.025],
                        [0.2, 1.6, 5.6, 11.2, 14, 11.2, 5.6, 1.6, 0.2],
                        [0.7, 5.6, 19.6, 39.2, 49, 39.2, 19.6, 5.6, 0.7],
                        [1.4, 11.2, 39.2, 78.4, 98, 78.4, 39.2, 11.2, 1.4],
                        [1.75, 14, 49, 98, -4792.7, 98, 49, 14, 1.75],
                        [1.4, 11.2, 39.2, 78.4, 98, 78.4, 39.2, 11.2, 1.4],
                        [0.7, 5.6, 19.6, 39.2, 49, 39.2, 19.6, 5.6, 0.7],
                        [0.2, 1.6, 5.6, 11.2, 14, 11.2, 5.6, 1.6, 0.2],
                        [0.025, 0.2, 0.7, 1.4, 1.75, 1.4, 0.7, 0.2, 0.025]
                    ], -1 / 3276.8) + `"  preserveAlpha="false"/>
                </filter>
                <filter id="_h5p_unsharpen9_10">
                <feConvolveMatrix style="color-interpolation-filters:sRGB;color-interpolation: sRGB;" order="9" kernelMatrix="` +
                makeFilter(
                    [
                        [0.05, 0.4, 1.4, 2.8, 3.5, 2.8, 1.4, 0.4, 0.05],
                        [0.4, 3.2, 11.2, 22.4, 28, 22.4, 11.2, 3.2, 0.4],
                        [1.4, 11.2, 39.2, 78.4, 98, 78.4, 39.2, 11.2, 1.4],
                        [2.8, 22.4, 78.4, 156.8, 196, 156.8, 78.4, 22.4, 2.8],
                        [3.5, 28, 98, 196, -6308.6, 196, 98, 28, 3.5],
                        [2.8, 22.4, 78.4, 156.8, 196, 156.8, 78.4, 22.4, 2.8],
                        [1.4, 11.2, 39.2, 78.4, 98, 78.4, 39.2, 11.2, 1.4],
                        [0.4, 3.2, 11.2, 22.4, 28, 22.4, 11.2, 3.2, 0.4],
                        [0.05, 0.4, 1.4, 2.8, 3.5, 2.8, 1.4, 0.4, 0.05]
                    ], -1 / 3276.8) + `"  preserveAlpha="false"/>
                    </filter>
                    <filter id="_h5p_grey1">
                    <feColorMatrix values="0.3333 0.3333 0.3333 0 0
                    0.3333 0.3333 0.3333 0 0
                    0.3333 0.3333 0.3333 0 0
                    0      0      0      1 0"/>
                    <feColorMatrix type="saturate" values="0" />
                    </filter>
                    </defs>
                    </svg>
                    `;

            svgFilterElm.innerHTML = svgXML.replace(/[\r\n\s]+/g, ' ').trim();

            rootView.appendChild(svgFilterElm);
        }

    }

    /**
     * 某些網頁用了attachShadow closed mode，需要open才能獲取video標籤，例如百度雲盤
     * 解決參考：
     * https://developers.google.com/web/fundamentals/web-components/shadowdom?hl=zh-cn#closed
     * https://stackoverflow.com/questions/54954383/override-element-prototype-attachshadow-using-chrome-extension
     */

    const initForShadowRoot = async (shadowRoot) => {
        try {
            if (shadowRoot && shadowRoot.nodeType > 0 && shadowRoot.mode == 'open' && 'querySelectorAll' in shadowRoot) {
                if (!shadowRoot.host.hasAttribute('_h5p_shadowroot_')) {
                    shadowRoot.host.setAttribute('_h5p_shadowroot_', '')

                    $hs.bindDocEvents(shadowRoot);
                    captureVideoEvents(shadowRoot);

                    shadowRoots.push(shadowRoot)
                }
            }
        } catch (e) {
            console.log('h5Player: initForShadowRoot failed')
        }
    }

    function hackAttachShadow() { // attachShadow - DOM Standard

        let _prototype_ = window && window.HTMLElement ? window.HTMLElement.prototype : null;
        if (_prototype_ && typeof _prototype_.attachShadow == 'function') {

            let _attachShadow = _prototype_.attachShadow

            hackAttachShadow = null
            _prototype_.attachShadow = function() {
                let arg = [...arguments];
                if (arg[0] && arg[0].mode) arg[0].mode = 'open';
                let shadowRoot = _attachShadow.apply(this, arg);
                initForShadowRoot(shadowRoot);
                return shadowRoot
            };

            _prototype_.attachShadow.toString = () => _attachShadow.toString();

        }

    }

    function hackCreateShadowRoot() { // createShadowRoot - Deprecated

        let _prototype_ = window && window.HTMLElement ? window.HTMLElement.prototype : null;
        if (_prototype_ && typeof _prototype_.createShadowRoot == 'function') {

            let _createShadowRoot = _prototype_.createShadowRoot;

            hackCreateShadowRoot = null
            _prototype_.createShadowRoot = function() {
                const shadowRoot = _createShadowRoot.apply(this, arguments);
                initForShadowRoot(shadowRoot);
                return shadowRoot;
            };
            _prototype_.createShadowRoot.toString = () => _createShadowRoot.toString();

        }
    }

    /* 事件偵聽hack */
    function hackEventListener() {
        if (!window.EventTarget) return;
        const eventTargetPrototype = window.EventTarget.prototype;
        let _addEventListener = eventTargetPrototype.addEventListener;
        let _removeEventListener = eventTargetPrototype.removeEventListener;
        if (typeof _addEventListener == 'function' && typeof _removeEventListener == 'function') {} else return;
        hackEventListener = null;

        class Listeners {

            constructor(dom, type) {
                this._dom = dom;
                this._type = type;
                this.listenersCount = 0;
                this.hashList = {};
            }
            get baseFunc() {
                if (this._dom && this._type) {
                    return this._dom['on' + this._type];
                }
            }
            get funcCount() {
                if (this._dom && this._type) {
                    return (typeof this.baseFunc == 'function') * 1 + (this.listenersCount || 0)
                }
            }


        }



        let hackedEvtCount = 0;


        let watchList = ['click','mousedown','mouseup'];

        eventTargetPrototype.addEventListener = function() {

            let arg = arguments
            let type = arg[0]
            let listener = arg[1]

            if (!this || !(this instanceof EventTarget) || typeof type != 'string' || typeof listener != 'function') {
                return _addEventListener.apply(this, arguments)
                //unknown bug?
            }

            if(typeof arg[2]=='object' && arg[2]){

            }

            if (watchList.indexOf(type) < 0) {


                if(type=='mousewheel'||type=='touchstart'){

                    if(typeof arg[2] =='boolean' || arguments.length==2){

                        const options={
                            passive:true,
                            capture:arg[2]===true
                        }



                        return _addEventListener.call(this, type, listener, options);

                    }


                }

                if(this.nodeType===1 && this.nodeName!="BODY" && this.nodeName!="HTML"){


                    if (type=='mouseout' || type=='mouseover' || type=='focusin' || type=='focusout' || type=='mouseenter' || type=='mouseleave' || type=='mousemove'){


                        const nListener=listener.__nListener__ || function(){ return window.requestAnimationFrame(()=>listener.apply(this,arguments)) }
                        listener.__nListener__=nListener;
                        arguments[1]=nListener

                    }else{
                    //console.log(type)

                    }

                }

                return _addEventListener.apply(this, arguments);

            }

            let res;
            res = _addEventListener.apply(this, arg)


            let boolCapture = (arg[2] && typeof arg[2] == 'object') ? (arg[2].capture === true) : (arg[2] === true)

            this._listeners = this._listeners || {}
            this._listeners[type] = this._listeners[type] || new Listeners(this, type)
            let uid = 100000 + (++hackedEvtCount);
            let listenerObj = {
                listener,
                options: arg[2],
                uid: uid,
                useCapture: boolCapture
            }
            this._listeners[type].hashList[uid + ''] = listenerObj;
            this._listeners[type].listenersCount++;
            return res;
        }
        // hack removeEventListener
        eventTargetPrototype.removeEventListener = function() {

            let arg = arguments
            let type = arg[0]
            let listener = arg[1]


            if (!this || !(this instanceof EventTarget) || typeof type != 'string' || typeof listener != 'function') {
                return _removeEventListener.apply(this, arguments)
                //unknown bug?
            }



            if (watchList.indexOf(type) < 0){
                if(typeof listener.__nListener__=='function') arguments[1]=listener.__nListener__
                return _removeEventListener.apply(this, arguments);
            }

            let boolCapture = (arg[2] && typeof arg[2] == 'object') ? (arg[2].capture === true) : (arg[2] === true)

            let defaultRemoval = true;
            if (this._listeners && this._listeners[type] && this._listeners[type].hashList) {
                let hashList = this._listeners[type].hashList
                for (let k in hashList) {
                    if (hashList[k].listener === listener && hashList[k].useCapture == boolCapture) {
                        delete hashList[k];
                        this._listeners[type].listenersCount--;
                        break;
                    }
                }
            }
            if (defaultRemoval) return _removeEventListener.apply(this, arg);
        }
        eventTargetPrototype.addEventListener.toString = () => _addEventListener.toString();
        eventTargetPrototype.removeEventListener.toString = () => _removeEventListener.toString();


    }


    function initShadowRoots(rootDoc) {
        function onReady() {
            var treeWalker = rootDoc.createTreeWalker(
                rootDoc.documentElement,
                NodeFilter.SHOW_ELEMENT, {
                    acceptNode: (node) => (node.shadowRoot ? NodeFilter.FILTER_ACCEPT : NodeFilter.FILTER_SKIP)
                }
            );
            var nodeList = [];
            while (treeWalker.nextNode()) nodeList.push(treeWalker.currentNode);
            for (const node of nodeList) {
                initForShadowRoot(node.shadowRoot)
            }
        }
        if (rootDoc.readyState !== 'loading') {
            onReady();
        } else {
            rootDoc.addEventListener('DOMContentLoaded', onReady);
        }
    }

    function captureVideoEvents(rootDoc) {

        var g = function(evt) {


            var domElement = evt.target || this || null
            if (domElement && domElement.nodeType == 1 && domElement.nodeName == "VIDEO") {
                var video = domElement
                if (!domElement.getAttribute('_h5ppid')) handlerVideoFound(video);
                if (domElement.getAttribute('_h5ppid')) {
                    switch (evt.type) {
                        case 'loadedmetadata':
                            return $hs.handlerVideoLoadedMetaData.call(video, evt);
                            //  case 'playing':
                            //      return $hs.handlerVideoPlaying.call(video, evt);
                            //  case 'pause':
                            //      return $hs.handlerVideoPause.call(video, evt);
                            //  case 'volumechange':
                            //      return $hs.handlerVideoVolumeChange.call(video, evt);
                    }
                }
            }


        }

        // using capture phase
        rootDoc.addEventListener('loadedmetadata', g, true);

    }

    function handlerVideoFound(video) {

        if (!video) return;
        if (video.getAttribute('_h5ppid')) return;
        let alabel = video.getAttribute('aria-label')
        if (alabel && typeof alabel == "string" && alabel.toUpperCase() == "GIF") return;


        consoleLog('handlerVideoFound', video)

        $hs.intVideoInitCount = ($hs.intVideoInitCount || 0) + 1;
        let vpid = 'h5p-' + $hs.intVideoInitCount
        consoleLog(' - HTML5 Video is detected -', `Number of Videos: ${$hs.intVideoInitCount}`)
        if ($hs.intVideoInitCount === 1) $hs.fireGlobalInit();
        video.setAttribute('_h5ppid', vpid)


        playerConfs[vpid] = new PlayerConf();
        playerConfs[vpid].domElement = video;
        playerConfs[vpid].domActive = DOM_ACTIVE_FOUND;

        let rootNode = getRoot(video);

        if (rootNode.host) $hs.getPlayerBlockElement(video); // shadowing
        let rootElm = domAppender(rootNode) || document.documentElement //48763
        _add_filter(rootElm) // either main document or shadow node



        video.addEventListener('playing', $hs.handlerVideoPlaying, true);
        video.addEventListener('pause', $hs.handlerVideoPause, true);
        video.addEventListener('volumechange', $hs.handlerVideoVolumeChange, true);



    }



    hackAttachShadow()
    hackCreateShadowRoot()
    hackEventListener()


    window.addEventListener('message', $hs.handlerWinMessage, false);
    $hs.bindDocEvents(document);
    captureVideoEvents(document);
    initShadowRoots(document);


    let windowsLD = (function() {
        let ls_res = [];
        try {
            ls_res = [!!window.localStorage, !!window.top.localStorage];
        } catch (e) {}
        try {
            let winp = window;
            let winc = 0;
            while (winp !== window.top && winp && ++winc) winp = winp.parentNode;
            ls_res.push(winc);
        } catch (e) {}
        return ls_res;
    })();

    consoleLogF('- h5Player Plugin Loaded -', ...windowsLD)

    function isInCrossOriginFrame() {
        let result = true;
        try {
            if (window.top.localStorage || window.top.location.href) result = false;
        } catch (e) {}
        return result
    }

    if (isInCrossOriginFrame()) consoleLog('cross origin frame detected');

    /*
    function dd(f, $this, $arguments) {
        queueMicrotask(() => f.apply($this, $arguments))
    }
    */

    //const functionReplacerMap = new Map();
/*
    function functionReplacer(f) {

        if (f.constructor.name != 'Function') return f;
        const reducedArguments = [...arguments];
        reducedArguments[0] = '';
        const r = reducedArguments.join('***')
        const fs = f.toString() + "%%%" + r
        if (fs.indexOf(' { [native code] }') > 0) return f;

        let res = functionReplacerMap.get(fs);
        if (res) return res;
        functionReplacerMap.set(fs, res = f)

        return res;


    }
*/

    const $rAf = $$uWin.requestAnimationFrame;
    const $cAf = $$uWin.cancelAnimationFrame;

    const $bv = {

        uWin: (window.unsafeWindow || window),
/*
        rAfss: function() {
            const gs = $bv.gs;
            if (gs.length > 0) {
                if (document.fff) document.fff.push(gs.length)
                for (const f of gs) dd(f, this, arguments);
            }
            gs.length = 0;
        },
*/
       // qfs: {},


       // qfsCount: 0,

        boostVideoPerformanceActivate: function() {

            if ($bz.boosted) return;


            //$bv.kSTC = $rAf.call($$uWin, () => 0) * 2;

            //document.fff = [];
           // document.gg1 = 0;
           // document.gg2 = 0;
           // document.nnc = [];
          //  functionReplacerMap.clear();
/*
            $bv.mbf = function() {

                const qfs = $bv.qfs


                for (let k in qfs) {
                    const f = qfs[k]
                    f.__bv_f__.apply(this, arguments);
                    delete qfs[k]
                }

            }
*/
            if ($mb.nightly_isSupportQueueMicrotask()) {
                //   $bv.rAf = window.requestAnimationFrame;
                //   $bv.cAf = window.cancelAnimationFrame;
                //   $bv.setTimeout = window.setTimeout;
                //   $bv.clearTimeout = window.clearTimeout;




            }


            $bz.boosted = true;

        },


        boostVideoPerformanceDeactivate: function() {

            const window = $bv.uWin
            if (!$bz.boosted) return;
            $bz.boosted = false;

            if ($mb.nightly_isSupportQueueMicrotask()) {
                // window.requestAnimationFrame = $bv.rAf;
                // window.cancelAnimationFrame = $bv.cAf;
                //window.setTimeout = $bv.setTimeout;
                // window.clearTimeout = $bv.clearTimeout;
                // $bv.rAf = null;
                // $bv.cAf = null;
                // $bv.setTimeout = null;
                // $bv.clearTimeout = null;
            }


           // functionReplacerMap.clear();


        }

    }

    function $onReady() {

        const window = $$uWin

        //  const $rAf = window.requestAnimationFrame;
        //  const $cAf = window.cancelAnimationFrame;

        /*
        window.requestAnimationFrame = function(f) {

            let boosted = $bz.boosted;
            boosted = false
            if (!boosted) return $rAf.apply(this, arguments) << 1

            const h=functionReplacer(f)
            const nt=+new Date;
            const lastCall = h.__lastCall

            h.__lastCall=nt;

            if(f!==h){
            */

/*
                if(lastCall>0 && lastCall <= nt && lastCall+60>nt){

                    f=h;

                }else{
                    console.log('nn', lastCall-nt)
                }*/
/*
                f=h;

            }

            if (!f.__bv_stack__) f.__bv_stack__ = 0;

            f.__bv_stack__++;

            if (f.__bv_stack__ > 1) return f.__bv_cid__;

            if (!f.__bv_f__) {
                f.__bv_f__ = function() {
                    const cid = f.__bv_cid__
                    if (cid > 0 && $bv.qfs[cid] === f) {
                        queueMicrotask(() => f.apply(this, arguments))
                        delete $bv.qfs[cid];
                        delete f.__bv_cid__;
                        f.__bv_stack__ = 0;
                        return
                    }
                    //$bv._exx=0

                };
                document.nnc.push(f + "")
            }
            f.__bv_cid__ = ($rAf.call(window, f.__bv_f__) << 1) | 1
            //if(!$bv._exx){
            //$bv._exx=(($rAf.call(window, f.__bv_f__)%20000000)<<16)|1
            //f.__bv_cid__ = $bv._exx;
            //}else{
            //    $bv._exx+=2;
            //    f.__bv_cid__ = $bv._exx ;
            // }

            $bv.qfs[f.__bv_cid__] = f

            return f.__bv_cid__

        };

        window.cancelAnimationFrame = function(cid) {


            if ((cid & 1) == 0) {

                return $cAf.call(this, cid >> 1)

            }


            let boosted = $bz.boosted;
            boosted = false

            const f = $bv.qfs[cid]
            if (typeof f == 'function') {

                f.__bv_stack__--;
                if (f.__bv_stack__ !== 0) return;
                delete $bv.qfs[f.__bv_cid__];
                delete f.__bv_cid__;

                return;

            }

            $cAf.call(window, cid);


        }
        */


    }

    // if (document.readyState !== 'loading') {
    $onReady();
    //} else {
    //     document.addEventListener('DOMContentLoaded', $onReady);
    // }




})(window.unsafeWindow || window);